Home / 20,586.38-30,877.74-5,592.96

Finding the Fourth Proportional to 20,586.38, 30,877.74 and 5,592.96

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Solution

The fourth proportional to 20,586.38, 30,877.74 and 5,592.96 is: 8,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586.38 : 30,877.74 = 5,592.96 : x
  2. Step 2: Convert to fraction form
    20,586.38/30,877.74 = 5,592.96/x
  3. Step 3: Cross multiply
    20,586.38x = 30,877.74 × 5,592.96
  4. Step 4: Simplify right side
    20,586.38x = 172,697,964.71
  5. Step 5: Solve for x
    x = 172,697,964.71/20,586.38
  6. Step 6: Final answer
    x = 8,388.94

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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.