Home / 12,587.16-18,882.24-9,473.52

Finding the Fourth Proportional to 12,587.16, 18,882.24 and 9,473.52

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Solution

The fourth proportional to 12,587.16, 18,882.24 and 9,473.52 is: 14,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.16 : 18,882.24 = 9,473.52 : x
  2. Step 2: Convert to fraction form
    12,587.16/18,882.24 = 9,473.52/x
  3. Step 3: Cross multiply
    12,587.16x = 18,882.24 × 9,473.52
  4. Step 4: Simplify right side
    12,587.16x = 178,881,278.28
  5. Step 5: Solve for x
    x = 178,881,278.28/12,587.16
  6. Step 6: Final answer
    x = 14,211.41

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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.