Home / 18,291.76-27,439.08-6,606.16

Finding the Fourth Proportional to 18,291.76, 27,439.08 and 6,606.16

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Solution

The fourth proportional to 18,291.76, 27,439.08 and 6,606.16 is: 9,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.76 : 27,439.08 = 6,606.16 : x
  2. Step 2: Convert to fraction form
    18,291.76/27,439.08 = 6,606.16/x
  3. Step 3: Cross multiply
    18,291.76x = 27,439.08 × 6,606.16
  4. Step 4: Simplify right side
    18,291.76x = 181,266,952.73
  5. Step 5: Solve for x
    x = 181,266,952.73/18,291.76
  6. Step 6: Final answer
    x = 9,909.76

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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.