Home / 23,391.48-32,281.02-12,781.56

Finding the Fourth Proportional to 23,391.48, 32,281.02 and 12,781.56

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Solution

The fourth proportional to 23,391.48, 32,281.02 and 12,781.56 is: 17,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,391.48 : 32,281.02 = 12,781.56 : x
  2. Step 2: Convert to fraction form
    23,391.48/32,281.02 = 12,781.56/x
  3. Step 3: Cross multiply
    23,391.48x = 32,281.02 × 12,781.56
  4. Step 4: Simplify right side
    23,391.48x = 412,601,793.99
  5. Step 5: Solve for x
    x = 412,601,793.99/23,391.48
  6. Step 6: Final answer
    x = 17,638.98

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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.