Home / 15,790.61-23,686.32-7,474.52

Finding the Fourth Proportional to 15,790.61, 23,686.32 and 7,474.52

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Solution

The fourth proportional to 15,790.61, 23,686.32 and 7,474.52 is: 11,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.61 : 23,686.32 = 7,474.52 : x
  2. Step 2: Convert to fraction form
    15,790.61/23,686.32 = 7,474.52/x
  3. Step 3: Cross multiply
    15,790.61x = 23,686.32 × 7,474.52
  4. Step 4: Simplify right side
    15,790.61x = 177,043,754.13
  5. Step 5: Solve for x
    x = 177,043,754.13/15,790.61
  6. Step 6: Final answer
    x = 11,211.97

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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.