Home / 18,823.38-28,237.52-5,677.08

Finding the Fourth Proportional to 18,823.38, 28,237.52 and 5,677.08

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Solution

The fourth proportional to 18,823.38, 28,237.52 and 5,677.08 is: 8,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.38 : 28,237.52 = 5,677.08 : x
  2. Step 2: Convert to fraction form
    18,823.38/28,237.52 = 5,677.08/x
  3. Step 3: Cross multiply
    18,823.38x = 28,237.52 × 5,677.08
  4. Step 4: Simplify right side
    18,823.38x = 160,306,674.23
  5. Step 5: Solve for x
    x = 160,306,674.23/18,823.38
  6. Step 6: Final answer
    x = 8,516.36

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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.