Home / 23,099.10-31,876.65-12,488.64

Finding the Fourth Proportional to 23,099.10, 31,876.65 and 12,488.64

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Solution

The fourth proportional to 23,099.10, 31,876.65 and 12,488.64 is: 17,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.10 : 31,876.65 = 12,488.64 : x
  2. Step 2: Convert to fraction form
    23,099.10/31,876.65 = 12,488.64/x
  3. Step 3: Cross multiply
    23,099.10x = 31,876.65 × 12,488.64
  4. Step 4: Simplify right side
    23,099.10x = 398,096,006.26
  5. Step 5: Solve for x
    x = 398,096,006.26/23,099.10
  6. Step 6: Final answer
    x = 17,234.26

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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.