Home / 27,553.71-38,024.16-14,978.46

Finding the Fourth Proportional to 27,553.71, 38,024.16 and 14,978.46

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Solution

The fourth proportional to 27,553.71, 38,024.16 and 14,978.46 is: 20,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.71 : 38,024.16 = 14,978.46 : x
  2. Step 2: Convert to fraction form
    27,553.71/38,024.16 = 14,978.46/x
  3. Step 3: Cross multiply
    27,553.71x = 38,024.16 × 14,978.46
  4. Step 4: Simplify right side
    27,553.71x = 569,543,359.59
  5. Step 5: Solve for x
    x = 569,543,359.59/27,553.71
  6. Step 6: Final answer
    x = 20,670.30

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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.