Home / 27,076.16-37,365.74-15,139.38

Finding the Fourth Proportional to 27,076.16, 37,365.74 and 15,139.38

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Solution

The fourth proportional to 27,076.16, 37,365.74 and 15,139.38 is: 20,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.16 : 37,365.74 = 15,139.38 : x
  2. Step 2: Convert to fraction form
    27,076.16/37,365.74 = 15,139.38/x
  3. Step 3: Cross multiply
    27,076.16x = 37,365.74 × 15,139.38
  4. Step 4: Simplify right side
    27,076.16x = 565,694,061.14
  5. Step 5: Solve for x
    x = 565,694,061.14/27,076.16
  6. Step 6: Final answer
    x = 20,892.70

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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.