Home / 23,291.12-32,141.75-12,680.75

Finding the Fourth Proportional to 23,291.12, 32,141.75 and 12,680.75

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Solution

The fourth proportional to 23,291.12, 32,141.75 and 12,680.75 is: 17,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.12 : 32,141.75 = 12,680.75 : x
  2. Step 2: Convert to fraction form
    23,291.12/32,141.75 = 12,680.75/x
  3. Step 3: Cross multiply
    23,291.12x = 32,141.75 × 12,680.75
  4. Step 4: Simplify right side
    23,291.12x = 407,581,432.91
  5. Step 5: Solve for x
    x = 407,581,432.91/23,291.12
  6. Step 6: Final answer
    x = 17,499.43

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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.