Home / 23,292.65-32,142.23-13,221.29

Finding the Fourth Proportional to 23,292.65, 32,142.23 and 13,221.29

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Solution

The fourth proportional to 23,292.65, 32,142.23 and 13,221.29 is: 18,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,292.65 : 32,142.23 = 13,221.29 : x
  2. Step 2: Convert to fraction form
    23,292.65/32,142.23 = 13,221.29/x
  3. Step 3: Cross multiply
    23,292.65x = 32,142.23 × 13,221.29
  4. Step 4: Simplify right side
    23,292.65x = 424,961,758.33
  5. Step 5: Solve for x
    x = 424,961,758.33/23,292.65
  6. Step 6: Final answer
    x = 18,244.46

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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.