Home / 23,581.71-32,542.10-12,971.36

Finding the Fourth Proportional to 23,581.71, 32,542.10 and 12,971.36

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Solution

The fourth proportional to 23,581.71, 32,542.10 and 12,971.36 is: 17,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.71 : 32,542.10 = 12,971.36 : x
  2. Step 2: Convert to fraction form
    23,581.71/32,542.10 = 12,971.36/x
  3. Step 3: Cross multiply
    23,581.71x = 32,542.10 × 12,971.36
  4. Step 4: Simplify right side
    23,581.71x = 422,115,294.26
  5. Step 5: Solve for x
    x = 422,115,294.26/23,581.71
  6. Step 6: Final answer
    x = 17,900.11

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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.