Home / 13,417.13-20,129.25-4,652.03

Finding the Fourth Proportional to 13,417.13, 20,129.25 and 4,652.03

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Solution

The fourth proportional to 13,417.13, 20,129.25 and 4,652.03 is: 6,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.13 : 20,129.25 = 4,652.03 : x
  2. Step 2: Convert to fraction form
    13,417.13/20,129.25 = 4,652.03/x
  3. Step 3: Cross multiply
    13,417.13x = 20,129.25 × 4,652.03
  4. Step 4: Simplify right side
    13,417.13x = 93,641,774.23
  5. Step 5: Solve for x
    x = 93,641,774.23/13,417.13
  6. Step 6: Final answer
    x = 6,979.27

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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.