Home / 13,091.96-18,065.88-7,426.76

Finding the Fourth Proportional to 13,091.96, 18,065.88 and 7,426.76

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Solution

The fourth proportional to 13,091.96, 18,065.88 and 7,426.76 is: 10,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.96 : 18,065.88 = 7,426.76 : x
  2. Step 2: Convert to fraction form
    13,091.96/18,065.88 = 7,426.76/x
  3. Step 3: Cross multiply
    13,091.96x = 18,065.88 × 7,426.76
  4. Step 4: Simplify right side
    13,091.96x = 134,170,954.95
  5. Step 5: Solve for x
    x = 134,170,954.95/13,091.96
  6. Step 6: Final answer
    x = 10,248.35

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Half scale
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Double scale
Find fourth proportional to 13,092.96, 18,067.26 and 7,427.76
Similar ratio
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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.