Home / 23,288.30-32,138.67-13,217.16

Finding the Fourth Proportional to 23,288.30, 32,138.67 and 13,217.16

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Solution

The fourth proportional to 23,288.30, 32,138.67 and 13,217.16 is: 18,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288.30 : 32,138.67 = 13,217.16 : x
  2. Step 2: Convert to fraction form
    23,288.30/32,138.67 = 13,217.16/x
  3. Step 3: Cross multiply
    23,288.30x = 32,138.67 × 13,217.16
  4. Step 4: Simplify right side
    23,288.30x = 424,781,943.58
  5. Step 5: Solve for x
    x = 424,781,943.58/23,288.30
  6. Step 6: Final answer
    x = 18,240.15

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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.