Home / 19,245.74-26,557.61-10,747.20

Finding the Fourth Proportional to 19,245.74, 26,557.61 and 10,747.20

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Solution

The fourth proportional to 19,245.74, 26,557.61 and 10,747.20 is: 14,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.74 : 26,557.61 = 10,747.20 : x
  2. Step 2: Convert to fraction form
    19,245.74/26,557.61 = 10,747.20/x
  3. Step 3: Cross multiply
    19,245.74x = 26,557.61 × 10,747.20
  4. Step 4: Simplify right side
    19,245.74x = 285,419,842.66
  5. Step 5: Solve for x
    x = 285,419,842.66/19,245.74
  6. Step 6: Final answer
    x = 14,830.29

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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.