Home / 15,972.72-23,959.08-6,115.02

Finding the Fourth Proportional to 15,972.72, 23,959.08 and 6,115.02

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Solution

The fourth proportional to 15,972.72, 23,959.08 and 6,115.02 is: 9,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.72 : 23,959.08 = 6,115.02 : x
  2. Step 2: Convert to fraction form
    15,972.72/23,959.08 = 6,115.02/x
  3. Step 3: Cross multiply
    15,972.72x = 23,959.08 × 6,115.02
  4. Step 4: Simplify right side
    15,972.72x = 146,510,253.38
  5. Step 5: Solve for x
    x = 146,510,253.38/15,972.72
  6. Step 6: Final answer
    x = 9,172.53

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1.5x scale

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.