Home / 18,747.04-25,867.68-11,580.96

Finding the Fourth Proportional to 18,747.04, 25,867.68 and 11,580.96

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Solution

The fourth proportional to 18,747.04, 25,867.68 and 11,580.96 is: 15,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.04 : 25,867.68 = 11,580.96 : x
  2. Step 2: Convert to fraction form
    18,747.04/25,867.68 = 11,580.96/x
  3. Step 3: Cross multiply
    18,747.04x = 25,867.68 × 11,580.96
  4. Step 4: Simplify right side
    18,747.04x = 299,572,567.37
  5. Step 5: Solve for x
    x = 299,572,567.37/18,747.04
  6. Step 6: Final answer
    x = 15,979.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.