Home / 19,381.95-26,752.86-11,426.76

Finding the Fourth Proportional to 19,381.95, 26,752.86 and 11,426.76

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Solution

The fourth proportional to 19,381.95, 26,752.86 and 11,426.76 is: 15,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.95 : 26,752.86 = 11,426.76 : x
  2. Step 2: Convert to fraction form
    19,381.95/26,752.86 = 11,426.76/x
  3. Step 3: Cross multiply
    19,381.95x = 26,752.86 × 11,426.76
  4. Step 4: Simplify right side
    19,381.95x = 305,698,510.53
  5. Step 5: Solve for x
    x = 305,698,510.53/19,381.95
  6. Step 6: Final answer
    x = 15,772.33

Related Problems

Find fourth proportional to 9,690.98, 13,376.43 and 5,713.38
Half scale
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Double scale
Find fourth proportional to 19,382.95, 26,754.24 and 11,427.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.