Home / 23,895.57-32,972.97-13,138.65

Finding the Fourth Proportional to 23,895.57, 32,972.97 and 13,138.65

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Solution

The fourth proportional to 23,895.57, 32,972.97 and 13,138.65 is: 18,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,895.57 : 32,972.97 = 13,138.65 : x
  2. Step 2: Convert to fraction form
    23,895.57/32,972.97 = 13,138.65/x
  3. Step 3: Cross multiply
    23,895.57x = 32,972.97 × 13,138.65
  4. Step 4: Simplify right side
    23,895.57x = 433,220,312.29
  5. Step 5: Solve for x
    x = 433,220,312.29/23,895.57
  6. Step 6: Final answer
    x = 18,129.73

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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.