Home / 15,451.20-23,207.80-9,223.36

Finding the Fourth Proportional to 15,451.20, 23,207.80 and 9,223.36

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Solution

The fourth proportional to 15,451.20, 23,207.80 and 9,223.36 is: 13,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.20 : 23,207.80 = 9,223.36 : x
  2. Step 2: Convert to fraction form
    15,451.20/23,207.80 = 9,223.36/x
  3. Step 3: Cross multiply
    15,451.20x = 23,207.80 × 9,223.36
  4. Step 4: Simplify right side
    15,451.20x = 214,053,894.21
  5. Step 5: Solve for x
    x = 214,053,894.21/15,451.20
  6. Step 6: Final answer
    x = 13,853.54

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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.