Home / 23,581.76-32,542.90-12,972.06

Finding the Fourth Proportional to 23,581.76, 32,542.90 and 12,972.06

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Solution

The fourth proportional to 23,581.76, 32,542.90 and 12,972.06 is: 17,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.76 : 32,542.90 = 12,972.06 : x
  2. Step 2: Convert to fraction form
    23,581.76/32,542.90 = 12,972.06/x
  3. Step 3: Cross multiply
    23,581.76x = 32,542.90 × 12,972.06
  4. Step 4: Simplify right side
    23,581.76x = 422,148,418.94
  5. Step 5: Solve for x
    x = 422,148,418.94/23,581.76
  6. Step 6: Final answer
    x = 17,901.48

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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.