Home / 13,799.74-19,046.13-8,134.16

Finding the Fourth Proportional to 13,799.74, 19,046.13 and 8,134.16

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Solution

The fourth proportional to 13,799.74, 19,046.13 and 8,134.16 is: 11,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.74 : 19,046.13 = 8,134.16 : x
  2. Step 2: Convert to fraction form
    13,799.74/19,046.13 = 8,134.16/x
  3. Step 3: Cross multiply
    13,799.74x = 19,046.13 × 8,134.16
  4. Step 4: Simplify right side
    13,799.74x = 154,924,165.94
  5. Step 5: Solve for x
    x = 154,924,165.94/13,799.74
  6. Step 6: Final answer
    x = 11,226.60

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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.