Home / 15,983.20-23,987.04-11,293.12

Finding the Fourth Proportional to 15,983.20, 23,987.04 and 11,293.12

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Solution

The fourth proportional to 15,983.20, 23,987.04 and 11,293.12 is: 16,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.20 : 23,987.04 = 11,293.12 : x
  2. Step 2: Convert to fraction form
    15,983.20/23,987.04 = 11,293.12/x
  3. Step 3: Cross multiply
    15,983.20x = 23,987.04 × 11,293.12
  4. Step 4: Simplify right side
    15,983.20x = 270,888,521.16
  5. Step 5: Solve for x
    x = 270,888,521.16/15,983.20
  6. Step 6: Final answer
    x = 16,948.33

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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.