Home / 20,675.96-31,009.28-5,884.55

Finding the Fourth Proportional to 20,675.96, 31,009.28 and 5,884.55

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Solution

The fourth proportional to 20,675.96, 31,009.28 and 5,884.55 is: 8,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675.96 : 31,009.28 = 5,884.55 : x
  2. Step 2: Convert to fraction form
    20,675.96/31,009.28 = 5,884.55/x
  3. Step 3: Cross multiply
    20,675.96x = 31,009.28 × 5,884.55
  4. Step 4: Simplify right side
    20,675.96x = 182,475,474.15
  5. Step 5: Solve for x
    x = 182,475,474.15/20,675.96
  6. Step 6: Final answer
    x = 8,825.49

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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.