Home / 18,895.28-28,346.14-5,748.96

Finding the Fourth Proportional to 18,895.28, 28,346.14 and 5,748.96

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Solution

The fourth proportional to 18,895.28, 28,346.14 and 5,748.96 is: 8,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.28 : 28,346.14 = 5,748.96 : x
  2. Step 2: Convert to fraction form
    18,895.28/28,346.14 = 5,748.96/x
  3. Step 3: Cross multiply
    18,895.28x = 28,346.14 × 5,748.96
  4. Step 4: Simplify right side
    18,895.28x = 162,960,825.01
  5. Step 5: Solve for x
    x = 162,960,825.01/18,895.28
  6. Step 6: Final answer
    x = 8,624.42

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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.