Home / 20,295.93-28,008.96-11,344.44

Finding the Fourth Proportional to 20,295.93, 28,008.96 and 11,344.44

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Solution

The fourth proportional to 20,295.93, 28,008.96 and 11,344.44 is: 15,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.93 : 28,008.96 = 11,344.44 : x
  2. Step 2: Convert to fraction form
    20,295.93/28,008.96 = 11,344.44/x
  3. Step 3: Cross multiply
    20,295.93x = 28,008.96 × 11,344.44
  4. Step 4: Simplify right side
    20,295.93x = 317,745,966.18
  5. Step 5: Solve for x
    x = 317,745,966.18/20,295.93
  6. Step 6: Final answer
    x = 15,655.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.