Home / 15,511.80-23,268.16-5,658.46

Finding the Fourth Proportional to 15,511.80, 23,268.16 and 5,658.46

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Solution

The fourth proportional to 15,511.80, 23,268.16 and 5,658.46 is: 8,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.80 : 23,268.16 = 5,658.46 : x
  2. Step 2: Convert to fraction form
    15,511.80/23,268.16 = 5,658.46/x
  3. Step 3: Cross multiply
    15,511.80x = 23,268.16 × 5,658.46
  4. Step 4: Simplify right side
    15,511.80x = 131,661,901.54
  5. Step 5: Solve for x
    x = 131,661,901.54/15,511.80
  6. Step 6: Final answer
    x = 8,487.85

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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.