Home / 15,972.69-23,961.89-5,442.13

Finding the Fourth Proportional to 15,972.69, 23,961.89 and 5,442.13

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Solution

The fourth proportional to 15,972.69, 23,961.89 and 5,442.13 is: 8,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.69 : 23,961.89 = 5,442.13 : x
  2. Step 2: Convert to fraction form
    15,972.69/23,961.89 = 5,442.13/x
  3. Step 3: Cross multiply
    15,972.69x = 23,961.89 × 5,442.13
  4. Step 4: Simplify right side
    15,972.69x = 130,403,763.98
  5. Step 5: Solve for x
    x = 130,403,763.98/15,972.69
  6. Step 6: Final answer
    x = 8,164.17

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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.