Home / 15,972.14-23,939.69-7,543.95

Finding the Fourth Proportional to 15,972.14, 23,939.69 and 7,543.95

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Solution

The fourth proportional to 15,972.14, 23,939.69 and 7,543.95 is: 11,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.14 : 23,939.69 = 7,543.95 : x
  2. Step 2: Convert to fraction form
    15,972.14/23,939.69 = 7,543.95/x
  3. Step 3: Cross multiply
    15,972.14x = 23,939.69 × 7,543.95
  4. Step 4: Simplify right side
    15,972.14x = 180,599,786.66
  5. Step 5: Solve for x
    x = 180,599,786.66/15,972.14
  6. Step 6: Final answer
    x = 11,307.18

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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.