Home / 27,378.29-37,781.96-14,803.04

Finding the Fourth Proportional to 27,378.29, 37,781.96 and 14,803.04

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Solution

The fourth proportional to 27,378.29, 37,781.96 and 14,803.04 is: 20,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.29 : 37,781.96 = 14,803.04 : x
  2. Step 2: Convert to fraction form
    27,378.29/37,781.96 = 14,803.04/x
  3. Step 3: Cross multiply
    27,378.29x = 37,781.96 × 14,803.04
  4. Step 4: Simplify right side
    27,378.29x = 559,287,602.23
  5. Step 5: Solve for x
    x = 559,287,602.23/27,378.29
  6. Step 6: Final answer
    x = 20,428.15

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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.