Home / 23,680.06-35,519.76-13,699.78

Finding the Fourth Proportional to 23,680.06, 35,519.76 and 13,699.78

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Solution

The fourth proportional to 23,680.06, 35,519.76 and 13,699.78 is: 20,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680.06 : 35,519.76 = 13,699.78 : x
  2. Step 2: Convert to fraction form
    23,680.06/35,519.76 = 13,699.78/x
  3. Step 3: Cross multiply
    23,680.06x = 35,519.76 × 13,699.78
  4. Step 4: Simplify right side
    23,680.06x = 486,612,897.65
  5. Step 5: Solve for x
    x = 486,612,897.65/23,680.06
  6. Step 6: Final answer
    x = 20,549.48

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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.