Home / 16,920.92-25,387.39-7,560.08

Finding the Fourth Proportional to 16,920.92, 25,387.39 and 7,560.08

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Solution

The fourth proportional to 16,920.92, 25,387.39 and 7,560.08 is: 11,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.92 : 25,387.39 = 7,560.08 : x
  2. Step 2: Convert to fraction form
    16,920.92/25,387.39 = 7,560.08/x
  3. Step 3: Cross multiply
    16,920.92x = 25,387.39 × 7,560.08
  4. Step 4: Simplify right side
    16,920.92x = 191,930,699.39
  5. Step 5: Solve for x
    x = 191,930,699.39/16,920.92
  6. Step 6: Final answer
    x = 11,342.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.