Home / 21,505.40-32,262.18-7,464.88

Finding the Fourth Proportional to 21,505.40, 32,262.18 and 7,464.88

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Solution

The fourth proportional to 21,505.40, 32,262.18 and 7,464.88 is: 11,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.40 : 32,262.18 = 7,464.88 : x
  2. Step 2: Convert to fraction form
    21,505.40/32,262.18 = 7,464.88/x
  3. Step 3: Cross multiply
    21,505.40x = 32,262.18 × 7,464.88
  4. Step 4: Simplify right side
    21,505.40x = 240,833,302.24
  5. Step 5: Solve for x
    x = 240,833,302.24/21,505.40
  6. Step 6: Final answer
    x = 11,198.74

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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.