Home / 15,166.80-22,725.90-9,966.60

Finding the Fourth Proportional to 15,166.80, 22,725.90 and 9,966.60

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Solution

The fourth proportional to 15,166.80, 22,725.90 and 9,966.60 is: 14,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.80 : 22,725.90 = 9,966.60 : x
  2. Step 2: Convert to fraction form
    15,166.80/22,725.90 = 9,966.60/x
  3. Step 3: Cross multiply
    15,166.80x = 22,725.90 × 9,966.60
  4. Step 4: Simplify right side
    15,166.80x = 226,499,954.94
  5. Step 5: Solve for x
    x = 226,499,954.94/15,166.80
  6. Step 6: Final answer
    x = 14,933.93

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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.