Home / 15,810.80-23,716.61-7,488.86

Finding the Fourth Proportional to 15,810.80, 23,716.61 and 7,488.86

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Solution

The fourth proportional to 15,810.80, 23,716.61 and 7,488.86 is: 11,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.80 : 23,716.61 = 7,488.86 : x
  2. Step 2: Convert to fraction form
    15,810.80/23,716.61 = 7,488.86/x
  3. Step 3: Cross multiply
    15,810.80x = 23,716.61 × 7,488.86
  4. Step 4: Simplify right side
    15,810.80x = 177,610,371.96
  5. Step 5: Solve for x
    x = 177,610,371.96/15,810.80
  6. Step 6: Final answer
    x = 11,233.48

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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.