Home / 17,954.42-24,781.47-10,399.54

Finding the Fourth Proportional to 17,954.42, 24,781.47 and 10,399.54

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Solution

The fourth proportional to 17,954.42, 24,781.47 and 10,399.54 is: 14,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.42 : 24,781.47 = 10,399.54 : x
  2. Step 2: Convert to fraction form
    17,954.42/24,781.47 = 10,399.54/x
  3. Step 3: Cross multiply
    17,954.42x = 24,781.47 × 10,399.54
  4. Step 4: Simplify right side
    17,954.42x = 257,715,758.74
  5. Step 5: Solve for x
    x = 257,715,758.74/17,954.42
  6. Step 6: Final answer
    x = 14,353.89

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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.