Home / 17,743.05-24,486.13-9,785.78

Finding the Fourth Proportional to 17,743.05, 24,486.13 and 9,785.78

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Solution

The fourth proportional to 17,743.05, 24,486.13 and 9,785.78 is: 13,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,743.05 : 24,486.13 = 9,785.78 : x
  2. Step 2: Convert to fraction form
    17,743.05/24,486.13 = 9,785.78/x
  3. Step 3: Cross multiply
    17,743.05x = 24,486.13 × 9,785.78
  4. Step 4: Simplify right side
    17,743.05x = 239,615,862.86
  5. Step 5: Solve for x
    x = 239,615,862.86/17,743.05
  6. Step 6: Final answer
    x = 13,504.77

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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.