Home / 23,581.18-32,542.56-12,971.38

Finding the Fourth Proportional to 23,581.18, 32,542.56 and 12,971.38

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Solution

The fourth proportional to 23,581.18, 32,542.56 and 12,971.38 is: 17,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.18 : 32,542.56 = 12,971.38 : x
  2. Step 2: Convert to fraction form
    23,581.18/32,542.56 = 12,971.38/x
  3. Step 3: Cross multiply
    23,581.18x = 32,542.56 × 12,971.38
  4. Step 4: Simplify right side
    23,581.18x = 422,121,911.93
  5. Step 5: Solve for x
    x = 422,121,911.93/23,581.18
  6. Step 6: Final answer
    x = 17,900.80

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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.