Home / 18,066.78-24,931.80-10,517.58

Finding the Fourth Proportional to 18,066.78, 24,931.80 and 10,517.58

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Solution

The fourth proportional to 18,066.78, 24,931.80 and 10,517.58 is: 14,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.78 : 24,931.80 = 10,517.58 : x
  2. Step 2: Convert to fraction form
    18,066.78/24,931.80 = 10,517.58/x
  3. Step 3: Cross multiply
    18,066.78x = 24,931.80 × 10,517.58
  4. Step 4: Simplify right side
    18,066.78x = 262,222,201.04
  5. Step 5: Solve for x
    x = 262,222,201.04/18,066.78
  6. Step 6: Final answer
    x = 14,514.05

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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.