Home / 15,422.55-23,133.83-14,620.65

Finding the Fourth Proportional to 15,422.55, 23,133.83 and 14,620.65

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Solution

The fourth proportional to 15,422.55, 23,133.83 and 14,620.65 is: 21,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.55 : 23,133.83 = 14,620.65 : x
  2. Step 2: Convert to fraction form
    15,422.55/23,133.83 = 14,620.65/x
  3. Step 3: Cross multiply
    15,422.55x = 23,133.83 × 14,620.65
  4. Step 4: Simplify right side
    15,422.55x = 338,231,558.49
  5. Step 5: Solve for x
    x = 338,231,558.49/15,422.55
  6. Step 6: Final answer
    x = 21,930.98

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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.