Home / 15,948.32-23,907-8,931.70

Finding the Fourth Proportional to 15,948.32, 23,907 and 8,931.70

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Solution

The fourth proportional to 15,948.32, 23,907 and 8,931.70 is: 13,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.32 : 23,907 = 8,931.70 : x
  2. Step 2: Convert to fraction form
    15,948.32/23,907 = 8,931.70/x
  3. Step 3: Cross multiply
    15,948.32x = 23,907 × 8,931.70
  4. Step 4: Simplify right side
    15,948.32x = 213,530,151.90
  5. Step 5: Solve for x
    x = 213,530,151.90/15,948.32
  6. Step 6: Final answer
    x = 13,388.88

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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.