Home / 13,451.40-18,562.68-7,482.96

Finding the Fourth Proportional to 13,451.40, 18,562.68 and 7,482.96

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Solution

The fourth proportional to 13,451.40, 18,562.68 and 7,482.96 is: 10,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.40 : 18,562.68 = 7,482.96 : x
  2. Step 2: Convert to fraction form
    13,451.40/18,562.68 = 7,482.96/x
  3. Step 3: Cross multiply
    13,451.40x = 18,562.68 × 7,482.96
  4. Step 4: Simplify right side
    13,451.40x = 138,903,791.93
  5. Step 5: Solve for x
    x = 138,903,791.93/13,451.40
  6. Step 6: Final answer
    x = 10,326.34

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Double scale
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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.