Home / 15,411.26-23,116.89-5,280.41

Finding the Fourth Proportional to 15,411.26, 23,116.89 and 5,280.41

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Solution

The fourth proportional to 15,411.26, 23,116.89 and 5,280.41 is: 7,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.26 : 23,116.89 = 5,280.41 : x
  2. Step 2: Convert to fraction form
    15,411.26/23,116.89 = 5,280.41/x
  3. Step 3: Cross multiply
    15,411.26x = 23,116.89 × 5,280.41
  4. Step 4: Simplify right side
    15,411.26x = 122,066,604.69
  5. Step 5: Solve for x
    x = 122,066,604.69/15,411.26
  6. Step 6: Final answer
    x = 7,920.61

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Similar ratio
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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.