Home / 15,510.12-23,265.24-4,981.74

Finding the Fourth Proportional to 15,510.12, 23,265.24 and 4,981.74

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Solution

The fourth proportional to 15,510.12, 23,265.24 and 4,981.74 is: 7,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.12 : 23,265.24 = 4,981.74 : x
  2. Step 2: Convert to fraction form
    15,510.12/23,265.24 = 4,981.74/x
  3. Step 3: Cross multiply
    15,510.12x = 23,265.24 × 4,981.74
  4. Step 4: Simplify right side
    15,510.12x = 115,901,376.72
  5. Step 5: Solve for x
    x = 115,901,376.72/15,510.12
  6. Step 6: Final answer
    x = 7,472.63

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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.