Home / 27,378.38-37,782.17-14,803.13

Finding the Fourth Proportional to 27,378.38, 37,782.17 and 14,803.13

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Solution

The fourth proportional to 27,378.38, 37,782.17 and 14,803.13 is: 20,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.38 : 37,782.17 = 14,803.13 : x
  2. Step 2: Convert to fraction form
    27,378.38/37,782.17 = 14,803.13/x
  3. Step 3: Cross multiply
    27,378.38x = 37,782.17 × 14,803.13
  4. Step 4: Simplify right side
    27,378.38x = 559,294,222.29
  5. Step 5: Solve for x
    x = 559,294,222.29/27,378.38
  6. Step 6: Final answer
    x = 20,428.32

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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.