Home / 23,691.17-32,680.10-15,307.67

Finding the Fourth Proportional to 23,691.17, 32,680.10 and 15,307.67

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Solution

The fourth proportional to 23,691.17, 32,680.10 and 15,307.67 is: 21,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.17 : 32,680.10 = 15,307.67 : x
  2. Step 2: Convert to fraction form
    23,691.17/32,680.10 = 15,307.67/x
  3. Step 3: Cross multiply
    23,691.17x = 32,680.10 × 15,307.67
  4. Step 4: Simplify right side
    23,691.17x = 500,255,946.43
  5. Step 5: Solve for x
    x = 500,255,946.43/23,691.17
  6. Step 6: Final answer
    x = 21,115.72

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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.