Home / 40,839.58-61,268.09-14,186.39

Finding the Fourth Proportional to 40,839.58, 61,268.09 and 14,186.39

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Solution

The fourth proportional to 40,839.58, 61,268.09 and 14,186.39 is: 21,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.58 : 61,268.09 = 14,186.39 : x
  2. Step 2: Convert to fraction form
    40,839.58/61,268.09 = 14,186.39/x
  3. Step 3: Cross multiply
    40,839.58x = 61,268.09 × 14,186.39
  4. Step 4: Simplify right side
    40,839.58x = 869,173,101.53
  5. Step 5: Solve for x
    x = 869,173,101.53/40,839.58
  6. Step 6: Final answer
    x = 21,282.62

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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.