Home / 14,549.14-20,089.65-11,860.78

Finding the Fourth Proportional to 14,549.14, 20,089.65 and 11,860.78

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Solution

The fourth proportional to 14,549.14, 20,089.65 and 11,860.78 is: 16,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.14 : 20,089.65 = 11,860.78 : x
  2. Step 2: Convert to fraction form
    14,549.14/20,089.65 = 11,860.78/x
  3. Step 3: Cross multiply
    14,549.14x = 20,089.65 × 11,860.78
  4. Step 4: Simplify right side
    14,549.14x = 238,278,918.93
  5. Step 5: Solve for x
    x = 238,278,918.93/14,549.14
  6. Step 6: Final answer
    x = 16,377.53

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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.