Home / 15,849.07-23,770.16-4,752.78

Finding the Fourth Proportional to 15,849.07, 23,770.16 and 4,752.78

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Solution

The fourth proportional to 15,849.07, 23,770.16 and 4,752.78 is: 7,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.07 : 23,770.16 = 4,752.78 : x
  2. Step 2: Convert to fraction form
    15,849.07/23,770.16 = 4,752.78/x
  3. Step 3: Cross multiply
    15,849.07x = 23,770.16 × 4,752.78
  4. Step 4: Simplify right side
    15,849.07x = 112,974,245.97
  5. Step 5: Solve for x
    x = 112,974,245.97/15,849.07
  6. Step 6: Final answer
    x = 7,128.13

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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.