Home / 23,182.47-31,991.49-12,572.04

Finding the Fourth Proportional to 23,182.47, 31,991.49 and 12,572.04

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Solution

The fourth proportional to 23,182.47, 31,991.49 and 12,572.04 is: 17,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.47 : 31,991.49 = 12,572.04 : x
  2. Step 2: Convert to fraction form
    23,182.47/31,991.49 = 12,572.04/x
  3. Step 3: Cross multiply
    23,182.47x = 31,991.49 × 12,572.04
  4. Step 4: Simplify right side
    23,182.47x = 402,198,291.94
  5. Step 5: Solve for x
    x = 402,198,291.94/23,182.47
  6. Step 6: Final answer
    x = 17,349.24

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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.