Home / 19,220.95-26,485.54-14,177.18

Finding the Fourth Proportional to 19,220.95, 26,485.54 and 14,177.18

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Solution

The fourth proportional to 19,220.95, 26,485.54 and 14,177.18 is: 19,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.95 : 26,485.54 = 14,177.18 : x
  2. Step 2: Convert to fraction form
    19,220.95/26,485.54 = 14,177.18/x
  3. Step 3: Cross multiply
    19,220.95x = 26,485.54 × 14,177.18
  4. Step 4: Simplify right side
    19,220.95x = 375,490,267.98
  5. Step 5: Solve for x
    x = 375,490,267.98/19,220.95
  6. Step 6: Final answer
    x = 19,535.47

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Double scale
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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.