Home / 20,462.38-30,693.47-5,671.25

Finding the Fourth Proportional to 20,462.38, 30,693.47 and 5,671.25

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Solution

The fourth proportional to 20,462.38, 30,693.47 and 5,671.25 is: 8,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.38 : 30,693.47 = 5,671.25 : x
  2. Step 2: Convert to fraction form
    20,462.38/30,693.47 = 5,671.25/x
  3. Step 3: Cross multiply
    20,462.38x = 30,693.47 × 5,671.25
  4. Step 4: Simplify right side
    20,462.38x = 174,070,341.74
  5. Step 5: Solve for x
    x = 174,070,341.74/20,462.38
  6. Step 6: Final answer
    x = 8,506.85

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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.