Home / 20,377.26-30,566-9,276.19

Finding the Fourth Proportional to 20,377.26, 30,566 and 9,276.19

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Solution

The fourth proportional to 20,377.26, 30,566 and 9,276.19 is: 13,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.26 : 30,566 = 9,276.19 : x
  2. Step 2: Convert to fraction form
    20,377.26/30,566 = 9,276.19/x
  3. Step 3: Cross multiply
    20,377.26x = 30,566 × 9,276.19
  4. Step 4: Simplify right side
    20,377.26x = 283,535,947.13
  5. Step 5: Solve for x
    x = 283,535,947.13/20,377.26
  6. Step 6: Final answer
    x = 13,914.33

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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.