Home / 24,720.84-34,121.12-15,283.88

Finding the Fourth Proportional to 24,720.84, 34,121.12 and 15,283.88

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Solution

The fourth proportional to 24,720.84, 34,121.12 and 15,283.88 is: 21,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.84 : 34,121.12 = 15,283.88 : x
  2. Step 2: Convert to fraction form
    24,720.84/34,121.12 = 15,283.88/x
  3. Step 3: Cross multiply
    24,720.84x = 34,121.12 × 15,283.88
  4. Step 4: Simplify right side
    24,720.84x = 521,503,103.55
  5. Step 5: Solve for x
    x = 521,503,103.55/24,720.84
  6. Step 6: Final answer
    x = 21,095.69

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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.