Home / 21,632.30-32,451.26-7,591.31

Finding the Fourth Proportional to 21,632.30, 32,451.26 and 7,591.31

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Solution

The fourth proportional to 21,632.30, 32,451.26 and 7,591.31 is: 11,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.30 : 32,451.26 = 7,591.31 : x
  2. Step 2: Convert to fraction form
    21,632.30/32,451.26 = 7,591.31/x
  3. Step 3: Cross multiply
    21,632.30x = 32,451.26 × 7,591.31
  4. Step 4: Simplify right side
    21,632.30x = 246,347,574.55
  5. Step 5: Solve for x
    x = 246,347,574.55/21,632.30
  6. Step 6: Final answer
    x = 11,387.95

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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.