Home / 18,543.04-27,795.12-8,674

Finding the Fourth Proportional to 18,543.04, 27,795.12 and 8,674

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Solution

The fourth proportional to 18,543.04, 27,795.12 and 8,674 is: 13,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.04 : 27,795.12 = 8,674 : x
  2. Step 2: Convert to fraction form
    18,543.04/27,795.12 = 8,674/x
  3. Step 3: Cross multiply
    18,543.04x = 27,795.12 × 8,674
  4. Step 4: Simplify right side
    18,543.04x = 241,094,870.88
  5. Step 5: Solve for x
    x = 241,094,870.88/18,543.04
  6. Step 6: Final answer
    x = 13,001.91

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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.