Home / 15,429.13-23,143.73-5,575.37

Finding the Fourth Proportional to 15,429.13, 23,143.73 and 5,575.37

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Solution

The fourth proportional to 15,429.13, 23,143.73 and 5,575.37 is: 8,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.13 : 23,143.73 = 5,575.37 : x
  2. Step 2: Convert to fraction form
    15,429.13/23,143.73 = 5,575.37/x
  3. Step 3: Cross multiply
    15,429.13x = 23,143.73 × 5,575.37
  4. Step 4: Simplify right side
    15,429.13x = 129,034,714.33
  5. Step 5: Solve for x
    x = 129,034,714.33/15,429.13
  6. Step 6: Final answer
    x = 8,363.06

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1.5x scale

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.