Home / 15,110.80-22,666.20-9,205.90

Finding the Fourth Proportional to 15,110.80, 22,666.20 and 9,205.90

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Solution

The fourth proportional to 15,110.80, 22,666.20 and 9,205.90 is: 13,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.80 : 22,666.20 = 9,205.90 : x
  2. Step 2: Convert to fraction form
    15,110.80/22,666.20 = 9,205.90/x
  3. Step 3: Cross multiply
    15,110.80x = 22,666.20 × 9,205.90
  4. Step 4: Simplify right side
    15,110.80x = 208,662,770.58
  5. Step 5: Solve for x
    x = 208,662,770.58/15,110.80
  6. Step 6: Final answer
    x = 13,808.85

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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.