Home / 14,021.25-19,351.39-9,240.46

Finding the Fourth Proportional to 14,021.25, 19,351.39 and 9,240.46

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Solution

The fourth proportional to 14,021.25, 19,351.39 and 9,240.46 is: 12,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.25 : 19,351.39 = 9,240.46 : x
  2. Step 2: Convert to fraction form
    14,021.25/19,351.39 = 9,240.46/x
  3. Step 3: Cross multiply
    14,021.25x = 19,351.39 × 9,240.46
  4. Step 4: Simplify right side
    14,021.25x = 178,815,799.94
  5. Step 5: Solve for x
    x = 178,815,799.94/14,021.25
  6. Step 6: Final answer
    x = 12,753.20

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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.