Home / 22,379.02-33,590.40-13,631.02

Finding the Fourth Proportional to 22,379.02, 33,590.40 and 13,631.02

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Solution

The fourth proportional to 22,379.02, 33,590.40 and 13,631.02 is: 20,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.02 : 33,590.40 = 13,631.02 : x
  2. Step 2: Convert to fraction form
    22,379.02/33,590.40 = 13,631.02/x
  3. Step 3: Cross multiply
    22,379.02x = 33,590.40 × 13,631.02
  4. Step 4: Simplify right side
    22,379.02x = 457,871,414.21
  5. Step 5: Solve for x
    x = 457,871,414.21/22,379.02
  6. Step 6: Final answer
    x = 20,459.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.