Home / 18,002.65-27,000.51-4,851.73

Finding the Fourth Proportional to 18,002.65, 27,000.51 and 4,851.73

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Solution

The fourth proportional to 18,002.65, 27,000.51 and 4,851.73 is: 7,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.65 : 27,000.51 = 4,851.73 : x
  2. Step 2: Convert to fraction form
    18,002.65/27,000.51 = 4,851.73/x
  3. Step 3: Cross multiply
    18,002.65x = 27,000.51 × 4,851.73
  4. Step 4: Simplify right side
    18,002.65x = 130,999,184.38
  5. Step 5: Solve for x
    x = 130,999,184.38/18,002.65
  6. Step 6: Final answer
    x = 7,276.66

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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.