Home / 20,754.04-31,130.25-5,962.90

Finding the Fourth Proportional to 20,754.04, 31,130.25 and 5,962.90

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Solution

The fourth proportional to 20,754.04, 31,130.25 and 5,962.90 is: 8,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.04 : 31,130.25 = 5,962.90 : x
  2. Step 2: Convert to fraction form
    20,754.04/31,130.25 = 5,962.90/x
  3. Step 3: Cross multiply
    20,754.04x = 31,130.25 × 5,962.90
  4. Step 4: Simplify right side
    20,754.04x = 185,626,567.73
  5. Step 5: Solve for x
    x = 185,626,567.73/20,754.04
  6. Step 6: Final answer
    x = 8,944.12

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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.