Home / 23,855.74-32,921.95-13,245.38

Finding the Fourth Proportional to 23,855.74, 32,921.95 and 13,245.38

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Solution

The fourth proportional to 23,855.74, 32,921.95 and 13,245.38 is: 18,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.74 : 32,921.95 = 13,245.38 : x
  2. Step 2: Convert to fraction form
    23,855.74/32,921.95 = 13,245.38/x
  3. Step 3: Cross multiply
    23,855.74x = 32,921.95 × 13,245.38
  4. Step 4: Simplify right side
    23,855.74x = 436,063,738.09
  5. Step 5: Solve for x
    x = 436,063,738.09/23,855.74
  6. Step 6: Final answer
    x = 18,279.20

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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.