Home / 27,913.59-38,520.84-15,166.68

Finding the Fourth Proportional to 27,913.59, 38,520.84 and 15,166.68

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Solution

The fourth proportional to 27,913.59, 38,520.84 and 15,166.68 is: 20,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.59 : 38,520.84 = 15,166.68 : x
  2. Step 2: Convert to fraction form
    27,913.59/38,520.84 = 15,166.68/x
  3. Step 3: Cross multiply
    27,913.59x = 38,520.84 × 15,166.68
  4. Step 4: Simplify right side
    27,913.59x = 584,233,253.61
  5. Step 5: Solve for x
    x = 584,233,253.61/27,913.59
  6. Step 6: Final answer
    x = 20,930.07

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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.