Home / 27,581.85-38,061.86-15,006.60

Finding the Fourth Proportional to 27,581.85, 38,061.86 and 15,006.60

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Solution

The fourth proportional to 27,581.85, 38,061.86 and 15,006.60 is: 20,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.85 : 38,061.86 = 15,006.60 : x
  2. Step 2: Convert to fraction form
    27,581.85/38,061.86 = 15,006.60/x
  3. Step 3: Cross multiply
    27,581.85x = 38,061.86 × 15,006.60
  4. Step 4: Simplify right side
    27,581.85x = 571,179,033.24
  5. Step 5: Solve for x
    x = 571,179,033.24/27,581.85
  6. Step 6: Final answer
    x = 20,708.51

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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.