Home / 14,712.03-20,296.17-9,669.78

Finding the Fourth Proportional to 14,712.03, 20,296.17 and 9,669.78

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Solution

The fourth proportional to 14,712.03, 20,296.17 and 9,669.78 is: 13,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.03 : 20,296.17 = 9,669.78 : x
  2. Step 2: Convert to fraction form
    14,712.03/20,296.17 = 9,669.78/x
  3. Step 3: Cross multiply
    14,712.03x = 20,296.17 × 9,669.78
  4. Step 4: Simplify right side
    14,712.03x = 196,259,498.74
  5. Step 5: Solve for x
    x = 196,259,498.74/14,712.03
  6. Step 6: Final answer
    x = 13,340.07

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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.