Home / 20,806.93-31,209.18-6,015.52

Finding the Fourth Proportional to 20,806.93, 31,209.18 and 6,015.52

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Solution

The fourth proportional to 20,806.93, 31,209.18 and 6,015.52 is: 9,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,806.93 : 31,209.18 = 6,015.52 : x
  2. Step 2: Convert to fraction form
    20,806.93/31,209.18 = 6,015.52/x
  3. Step 3: Cross multiply
    20,806.93x = 31,209.18 × 6,015.52
  4. Step 4: Simplify right side
    20,806.93x = 187,739,446.47
  5. Step 5: Solve for x
    x = 187,739,446.47/20,806.93
  6. Step 6: Final answer
    x = 9,022.93

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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.