Home / 13,357.93-18,428.14-8,049.73

Finding the Fourth Proportional to 13,357.93, 18,428.14 and 8,049.73

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Solution

The fourth proportional to 13,357.93, 18,428.14 and 8,049.73 is: 11,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.93 : 18,428.14 = 8,049.73 : x
  2. Step 2: Convert to fraction form
    13,357.93/18,428.14 = 8,049.73/x
  3. Step 3: Cross multiply
    13,357.93x = 18,428.14 × 8,049.73
  4. Step 4: Simplify right side
    13,357.93x = 148,341,551.40
  5. Step 5: Solve for x
    x = 148,341,551.40/13,357.93
  6. Step 6: Final answer
    x = 11,105.13

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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.