Home / 13,818.24-19,066.32-8,152.70

Finding the Fourth Proportional to 13,818.24, 19,066.32 and 8,152.70

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Solution

The fourth proportional to 13,818.24, 19,066.32 and 8,152.70 is: 11,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.24 : 19,066.32 = 8,152.70 : x
  2. Step 2: Convert to fraction form
    13,818.24/19,066.32 = 8,152.70/x
  3. Step 3: Cross multiply
    13,818.24x = 19,066.32 × 8,152.70
  4. Step 4: Simplify right side
    13,818.24x = 155,441,891.73
  5. Step 5: Solve for x
    x = 155,441,891.73/13,818.24
  6. Step 6: Final answer
    x = 11,249.04

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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.