Home / 13,590.11-20,387.19-4,824.29

Finding the Fourth Proportional to 13,590.11, 20,387.19 and 4,824.29

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Solution

The fourth proportional to 13,590.11, 20,387.19 and 4,824.29 is: 7,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.11 : 20,387.19 = 4,824.29 : x
  2. Step 2: Convert to fraction form
    13,590.11/20,387.19 = 4,824.29/x
  3. Step 3: Cross multiply
    13,590.11x = 20,387.19 × 4,824.29
  4. Step 4: Simplify right side
    13,590.11x = 98,353,785.90
  5. Step 5: Solve for x
    x = 98,353,785.90/13,590.11
  6. Step 6: Final answer
    x = 7,237.16

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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.