Home / 12,470.13-17,296.92-12,021.24

Finding the Fourth Proportional to 12,470.13, 17,296.92 and 12,021.24

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Solution

The fourth proportional to 12,470.13, 17,296.92 and 12,021.24 is: 16,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.13 : 17,296.92 = 12,021.24 : x
  2. Step 2: Convert to fraction form
    12,470.13/17,296.92 = 12,021.24/x
  3. Step 3: Cross multiply
    12,470.13x = 17,296.92 × 12,021.24
  4. Step 4: Simplify right side
    12,470.13x = 207,930,426.58
  5. Step 5: Solve for x
    x = 207,930,426.58/12,470.13
  6. Step 6: Final answer
    x = 16,674.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.