Home / 14,149.74-19,526.18-8,181.66

Finding the Fourth Proportional to 14,149.74, 19,526.18 and 8,181.66

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Solution

The fourth proportional to 14,149.74, 19,526.18 and 8,181.66 is: 11,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.74 : 19,526.18 = 8,181.66 : x
  2. Step 2: Convert to fraction form
    14,149.74/19,526.18 = 8,181.66/x
  3. Step 3: Cross multiply
    14,149.74x = 19,526.18 × 8,181.66
  4. Step 4: Simplify right side
    14,149.74x = 159,756,565.86
  5. Step 5: Solve for x
    x = 159,756,565.86/14,149.74
  6. Step 6: Final answer
    x = 11,290.42

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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.