Home / 18,455.04-27,666-6,760.08

Finding the Fourth Proportional to 18,455.04, 27,666 and 6,760.08

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Solution

The fourth proportional to 18,455.04, 27,666 and 6,760.08 is: 10,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.04 : 27,666 = 6,760.08 : x
  2. Step 2: Convert to fraction form
    18,455.04/27,666 = 6,760.08/x
  3. Step 3: Cross multiply
    18,455.04x = 27,666 × 6,760.08
  4. Step 4: Simplify right side
    18,455.04x = 187,024,373.28
  5. Step 5: Solve for x
    x = 187,024,373.28/18,455.04
  6. Step 6: Final answer
    x = 10,134.05

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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.