Home / 19,057.44-28,377.80-18,357.60

Finding the Fourth Proportional to 19,057.44, 28,377.80 and 18,357.60

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Solution

The fourth proportional to 19,057.44, 28,377.80 and 18,357.60 is: 27,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.44 : 28,377.80 = 18,357.60 : x
  2. Step 2: Convert to fraction form
    19,057.44/28,377.80 = 18,357.60/x
  3. Step 3: Cross multiply
    19,057.44x = 28,377.80 × 18,357.60
  4. Step 4: Simplify right side
    19,057.44x = 520,948,301.28
  5. Step 5: Solve for x
    x = 520,948,301.28/19,057.44
  6. Step 6: Final answer
    x = 27,335.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.