Home / 23,353.12-32,227.76-12,742.88

Finding the Fourth Proportional to 23,353.12, 32,227.76 and 12,742.88

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Solution

The fourth proportional to 23,353.12, 32,227.76 and 12,742.88 is: 17,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,353.12 : 32,227.76 = 12,742.88 : x
  2. Step 2: Convert to fraction form
    23,353.12/32,227.76 = 12,742.88/x
  3. Step 3: Cross multiply
    23,353.12x = 32,227.76 × 12,742.88
  4. Step 4: Simplify right side
    23,353.12x = 410,674,478.35
  5. Step 5: Solve for x
    x = 410,674,478.35/23,353.12
  6. Step 6: Final answer
    x = 17,585.42

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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.