Home / 23,901.12-32,983.92-13,291.20

Finding the Fourth Proportional to 23,901.12, 32,983.92 and 13,291.20

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Solution

The fourth proportional to 23,901.12, 32,983.92 and 13,291.20 is: 18,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,901.12 : 32,983.92 = 13,291.20 : x
  2. Step 2: Convert to fraction form
    23,901.12/32,983.92 = 13,291.20/x
  3. Step 3: Cross multiply
    23,901.12x = 32,983.92 × 13,291.20
  4. Step 4: Simplify right side
    23,901.12x = 438,395,877.50
  5. Step 5: Solve for x
    x = 438,395,877.50/23,901.12
  6. Step 6: Final answer
    x = 18,342.06

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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.