Home / 23,680.89-32,672.03-15,724.71

Finding the Fourth Proportional to 23,680.89, 32,672.03 and 15,724.71

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Solution

The fourth proportional to 23,680.89, 32,672.03 and 15,724.71 is: 21,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680.89 : 32,672.03 = 15,724.71 : x
  2. Step 2: Convert to fraction form
    23,680.89/32,672.03 = 15,724.71/x
  3. Step 3: Cross multiply
    23,680.89x = 32,672.03 × 15,724.71
  4. Step 4: Simplify right side
    23,680.89x = 513,758,118.24
  5. Step 5: Solve for x
    x = 513,758,118.24/23,680.89
  6. Step 6: Final answer
    x = 21,695.05

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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.