Home / 15,066.33-20,790.08-8,351.82

Finding the Fourth Proportional to 15,066.33, 20,790.08 and 8,351.82

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Solution

The fourth proportional to 15,066.33, 20,790.08 and 8,351.82 is: 11,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.33 : 20,790.08 = 8,351.82 : x
  2. Step 2: Convert to fraction form
    15,066.33/20,790.08 = 8,351.82/x
  3. Step 3: Cross multiply
    15,066.33x = 20,790.08 × 8,351.82
  4. Step 4: Simplify right side
    15,066.33x = 173,634,964.19
  5. Step 5: Solve for x
    x = 173,634,964.19/15,066.33
  6. Step 6: Final answer
    x = 11,524.70

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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.