Home / 18,179.40-27,269.72-5,032.76

Finding the Fourth Proportional to 18,179.40, 27,269.72 and 5,032.76

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Solution

The fourth proportional to 18,179.40, 27,269.72 and 5,032.76 is: 7,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.40 : 27,269.72 = 5,032.76 : x
  2. Step 2: Convert to fraction form
    18,179.40/27,269.72 = 5,032.76/x
  3. Step 3: Cross multiply
    18,179.40x = 27,269.72 × 5,032.76
  4. Step 4: Simplify right side
    18,179.40x = 137,241,956.03
  5. Step 5: Solve for x
    x = 137,241,956.03/18,179.40
  6. Step 6: Final answer
    x = 7,549.31

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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.