Home / 15,981.50-23,974.01-4,295.63

Finding the Fourth Proportional to 15,981.50, 23,974.01 and 4,295.63

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Solution

The fourth proportional to 15,981.50, 23,974.01 and 4,295.63 is: 6,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.50 : 23,974.01 = 4,295.63 : x
  2. Step 2: Convert to fraction form
    15,981.50/23,974.01 = 4,295.63/x
  3. Step 3: Cross multiply
    15,981.50x = 23,974.01 × 4,295.63
  4. Step 4: Simplify right side
    15,981.50x = 102,983,335.23
  5. Step 5: Solve for x
    x = 102,983,335.23/15,981.50
  6. Step 6: Final answer
    x = 6,443.91

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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.