Home / 20,671.40-31,004.70-5,882.60

Finding the Fourth Proportional to 20,671.40, 31,004.70 and 5,882.60

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Solution

The fourth proportional to 20,671.40, 31,004.70 and 5,882.60 is: 8,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671.40 : 31,004.70 = 5,882.60 : x
  2. Step 2: Convert to fraction form
    20,671.40/31,004.70 = 5,882.60/x
  3. Step 3: Cross multiply
    20,671.40x = 31,004.70 × 5,882.60
  4. Step 4: Simplify right side
    20,671.40x = 182,388,248.22
  5. Step 5: Solve for x
    x = 182,388,248.22/20,671.40
  6. Step 6: Final answer
    x = 8,823.22

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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.