Home / 20,567.06-30,853.14-7,236.90

Finding the Fourth Proportional to 20,567.06, 30,853.14 and 7,236.90

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Solution

The fourth proportional to 20,567.06, 30,853.14 and 7,236.90 is: 10,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.06 : 30,853.14 = 7,236.90 : x
  2. Step 2: Convert to fraction form
    20,567.06/30,853.14 = 7,236.90/x
  3. Step 3: Cross multiply
    20,567.06x = 30,853.14 × 7,236.90
  4. Step 4: Simplify right side
    20,567.06x = 223,281,209.56
  5. Step 5: Solve for x
    x = 223,281,209.56/20,567.06
  6. Step 6: Final answer
    x = 10,856.26

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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.