Home / 27,140.29-37,453.38-15,203.74

Finding the Fourth Proportional to 27,140.29, 37,453.38 and 15,203.74

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Solution

The fourth proportional to 27,140.29, 37,453.38 and 15,203.74 is: 20,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.29 : 37,453.38 = 15,203.74 : x
  2. Step 2: Convert to fraction form
    27,140.29/37,453.38 = 15,203.74/x
  3. Step 3: Cross multiply
    27,140.29x = 37,453.38 × 15,203.74
  4. Step 4: Simplify right side
    27,140.29x = 569,431,451.64
  5. Step 5: Solve for x
    x = 569,431,451.64/27,140.29
  6. Step 6: Final answer
    x = 20,981.04

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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.