Home / 21,631.48-32,444.40-6,841.88

Finding the Fourth Proportional to 21,631.48, 32,444.40 and 6,841.88

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Solution

The fourth proportional to 21,631.48, 32,444.40 and 6,841.88 is: 10,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.48 : 32,444.40 = 6,841.88 : x
  2. Step 2: Convert to fraction form
    21,631.48/32,444.40 = 6,841.88/x
  3. Step 3: Cross multiply
    21,631.48x = 32,444.40 × 6,841.88
  4. Step 4: Simplify right side
    21,631.48x = 221,980,691.47
  5. Step 5: Solve for x
    x = 221,980,691.47/21,631.48
  6. Step 6: Final answer
    x = 10,261.93

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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.