Home / 13,165.13-19,743.59-4,398.00

Finding the Fourth Proportional to 13,165.13, 19,743.59 and 4,398.00

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Solution

The fourth proportional to 13,165.13, 19,743.59 and 4,398.00 is: 6,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.13 : 19,743.59 = 4,398.00 : x
  2. Step 2: Convert to fraction form
    13,165.13/19,743.59 = 4,398.00/x
  3. Step 3: Cross multiply
    13,165.13x = 19,743.59 × 4,398.00
  4. Step 4: Simplify right side
    13,165.13x = 86,832,251.96
  5. Step 5: Solve for x
    x = 86,832,251.96/13,165.13
  6. Step 6: Final answer
    x = 6,595.62

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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.