Home / 18,294.40-27,433.50-6,607.72

Finding the Fourth Proportional to 18,294.40, 27,433.50 and 6,607.72

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Solution

The fourth proportional to 18,294.40, 27,433.50 and 6,607.72 is: 9,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.40 : 27,433.50 = 6,607.72 : x
  2. Step 2: Convert to fraction form
    18,294.40/27,433.50 = 6,607.72/x
  3. Step 3: Cross multiply
    18,294.40x = 27,433.50 × 6,607.72
  4. Step 4: Simplify right side
    18,294.40x = 181,272,886.62
  5. Step 5: Solve for x
    x = 181,272,886.62/18,294.40
  6. Step 6: Final answer
    x = 9,908.65

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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.