Home / 15,216.59-22,802.97-6,439.43

Finding the Fourth Proportional to 15,216.59, 22,802.97 and 6,439.43

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Solution

The fourth proportional to 15,216.59, 22,802.97 and 6,439.43 is: 9,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.59 : 22,802.97 = 6,439.43 : x
  2. Step 2: Convert to fraction form
    15,216.59/22,802.97 = 6,439.43/x
  3. Step 3: Cross multiply
    15,216.59x = 22,802.97 × 6,439.43
  4. Step 4: Simplify right side
    15,216.59x = 146,838,129.11
  5. Step 5: Solve for x
    x = 146,838,129.11/15,216.59
  6. Step 6: Final answer
    x = 9,649.87

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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.