Home / 16,587.68-22,891.28-9,135.84

Finding the Fourth Proportional to 16,587.68, 22,891.28 and 9,135.84

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Solution

The fourth proportional to 16,587.68, 22,891.28 and 9,135.84 is: 12,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.68 : 22,891.28 = 9,135.84 : x
  2. Step 2: Convert to fraction form
    16,587.68/22,891.28 = 9,135.84/x
  3. Step 3: Cross multiply
    16,587.68x = 22,891.28 × 9,135.84
  4. Step 4: Simplify right side
    16,587.68x = 209,131,071.48
  5. Step 5: Solve for x
    x = 209,131,071.48/16,587.68
  6. Step 6: Final answer
    x = 12,607.61

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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.