Home / 18,013.04-27,003.10-6,319.88

Finding the Fourth Proportional to 18,013.04, 27,003.10 and 6,319.88

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Solution

The fourth proportional to 18,013.04, 27,003.10 and 6,319.88 is: 9,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.04 : 27,003.10 = 6,319.88 : x
  2. Step 2: Convert to fraction form
    18,013.04/27,003.10 = 6,319.88/x
  3. Step 3: Cross multiply
    18,013.04x = 27,003.10 × 6,319.88
  4. Step 4: Simplify right side
    18,013.04x = 170,656,351.63
  5. Step 5: Solve for x
    x = 170,656,351.63/18,013.04
  6. Step 6: Final answer
    x = 9,474.05

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1.5x scale

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.