Home / 23,215.20-34,809.84-7,631.52

Finding the Fourth Proportional to 23,215.20, 34,809.84 and 7,631.52

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Solution

The fourth proportional to 23,215.20, 34,809.84 and 7,631.52 is: 11,443.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.20 : 34,809.84 = 7,631.52 : x
  2. Step 2: Convert to fraction form
    23,215.20/34,809.84 = 7,631.52/x
  3. Step 3: Cross multiply
    23,215.20x = 34,809.84 × 7,631.52
  4. Step 4: Simplify right side
    23,215.20x = 265,651,990.16
  5. Step 5: Solve for x
    x = 265,651,990.16/23,215.20
  6. Step 6: Final answer
    x = 11,443.02

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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.