Home / 27,612.14-38,105.55-15,037.70

Finding the Fourth Proportional to 27,612.14, 38,105.55 and 15,037.70

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Solution

The fourth proportional to 27,612.14, 38,105.55 and 15,037.70 is: 20,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.14 : 38,105.55 = 15,037.70 : x
  2. Step 2: Convert to fraction form
    27,612.14/38,105.55 = 15,037.70/x
  3. Step 3: Cross multiply
    27,612.14x = 38,105.55 × 15,037.70
  4. Step 4: Simplify right side
    27,612.14x = 573,019,829.24
  5. Step 5: Solve for x
    x = 573,019,829.24/27,612.14
  6. Step 6: Final answer
    x = 20,752.46

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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.