Home / 13,044.48-18,001.38-7,379.10

Finding the Fourth Proportional to 13,044.48, 18,001.38 and 7,379.10

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Solution

The fourth proportional to 13,044.48, 18,001.38 and 7,379.10 is: 10,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.48 : 18,001.38 = 7,379.10 : x
  2. Step 2: Convert to fraction form
    13,044.48/18,001.38 = 7,379.10/x
  3. Step 3: Cross multiply
    13,044.48x = 18,001.38 × 7,379.10
  4. Step 4: Simplify right side
    13,044.48x = 132,833,983.16
  5. Step 5: Solve for x
    x = 132,833,983.16/13,044.48
  6. Step 6: Final answer
    x = 10,183.16

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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.