Home / 15,451.12-23,207.68-9,223.28

Finding the Fourth Proportional to 15,451.12, 23,207.68 and 9,223.28

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Solution

The fourth proportional to 15,451.12, 23,207.68 and 9,223.28 is: 13,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.12 : 23,207.68 = 9,223.28 : x
  2. Step 2: Convert to fraction form
    15,451.12/23,207.68 = 9,223.28/x
  3. Step 3: Cross multiply
    15,451.12x = 23,207.68 × 9,223.28
  4. Step 4: Simplify right side
    15,451.12x = 214,050,930.79
  5. Step 5: Solve for x
    x = 214,050,930.79/15,451.12
  6. Step 6: Final answer
    x = 13,853.42

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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.