Home / 14,575.12-20,110.80-8,608.66

Finding the Fourth Proportional to 14,575.12, 20,110.80 and 8,608.66

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Solution

The fourth proportional to 14,575.12, 20,110.80 and 8,608.66 is: 11,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.12 : 20,110.80 = 8,608.66 : x
  2. Step 2: Convert to fraction form
    14,575.12/20,110.80 = 8,608.66/x
  3. Step 3: Cross multiply
    14,575.12x = 20,110.80 × 8,608.66
  4. Step 4: Simplify right side
    14,575.12x = 173,127,039.53
  5. Step 5: Solve for x
    x = 173,127,039.53/14,575.12
  6. Step 6: Final answer
    x = 11,878.26

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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.