Home / 14,040.95-19,377.63-8,377.43

Finding the Fourth Proportional to 14,040.95, 19,377.63 and 8,377.43

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Solution

The fourth proportional to 14,040.95, 19,377.63 and 8,377.43 is: 11,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.95 : 19,377.63 = 8,377.43 : x
  2. Step 2: Convert to fraction form
    14,040.95/19,377.63 = 8,377.43/x
  3. Step 3: Cross multiply
    14,040.95x = 19,377.63 × 8,377.43
  4. Step 4: Simplify right side
    14,040.95x = 162,334,642.00
  5. Step 5: Solve for x
    x = 162,334,642.00/14,040.95
  6. Step 6: Final answer
    x = 11,561.52

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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.