Home / 15,972.39-23,955.85-4,282.88

Finding the Fourth Proportional to 15,972.39, 23,955.85 and 4,282.88

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Solution

The fourth proportional to 15,972.39, 23,955.85 and 4,282.88 is: 6,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.39 : 23,955.85 = 4,282.88 : x
  2. Step 2: Convert to fraction form
    15,972.39/23,955.85 = 4,282.88/x
  3. Step 3: Cross multiply
    15,972.39x = 23,955.85 × 4,282.88
  4. Step 4: Simplify right side
    15,972.39x = 102,599,916.42
  5. Step 5: Solve for x
    x = 102,599,916.42/15,972.39
  6. Step 6: Final answer
    x = 6,423.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.