Home / 21,551.12-32,302.76-9,067.48

Finding the Fourth Proportional to 21,551.12, 32,302.76 and 9,067.48

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Solution

The fourth proportional to 21,551.12, 32,302.76 and 9,067.48 is: 13,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.12 : 32,302.76 = 9,067.48 : x
  2. Step 2: Convert to fraction form
    21,551.12/32,302.76 = 9,067.48/x
  3. Step 3: Cross multiply
    21,551.12x = 32,302.76 × 9,067.48
  4. Step 4: Simplify right side
    21,551.12x = 292,904,630.24
  5. Step 5: Solve for x
    x = 292,904,630.24/21,551.12
  6. Step 6: Final answer
    x = 13,591.16

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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.