Home / 19,839.93-27,377.35-11,340.60

Finding the Fourth Proportional to 19,839.93, 27,377.35 and 11,340.60

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Solution

The fourth proportional to 19,839.93, 27,377.35 and 11,340.60 is: 15,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.93 : 27,377.35 = 11,340.60 : x
  2. Step 2: Convert to fraction form
    19,839.93/27,377.35 = 11,340.60/x
  3. Step 3: Cross multiply
    19,839.93x = 27,377.35 × 11,340.60
  4. Step 4: Simplify right side
    19,839.93x = 310,475,575.41
  5. Step 5: Solve for x
    x = 310,475,575.41/19,839.93
  6. Step 6: Final answer
    x = 15,649.03

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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.