Home / 17,630.40-24,330.20-9,672.48

Finding the Fourth Proportional to 17,630.40, 24,330.20 and 9,672.48

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Solution

The fourth proportional to 17,630.40, 24,330.20 and 9,672.48 is: 13,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.40 : 24,330.20 = 9,672.48 : x
  2. Step 2: Convert to fraction form
    17,630.40/24,330.20 = 9,672.48/x
  3. Step 3: Cross multiply
    17,630.40x = 24,330.20 × 9,672.48
  4. Step 4: Simplify right side
    17,630.40x = 235,333,372.90
  5. Step 5: Solve for x
    x = 235,333,372.90/17,630.40
  6. Step 6: Final answer
    x = 13,348.16

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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.