Home / 13,888.52-19,166.19-7,601.30

Finding the Fourth Proportional to 13,888.52, 19,166.19 and 7,601.30

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Solution

The fourth proportional to 13,888.52, 19,166.19 and 7,601.30 is: 10,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.52 : 19,166.19 = 7,601.30 : x
  2. Step 2: Convert to fraction form
    13,888.52/19,166.19 = 7,601.30/x
  3. Step 3: Cross multiply
    13,888.52x = 19,166.19 × 7,601.30
  4. Step 4: Simplify right side
    13,888.52x = 145,687,960.05
  5. Step 5: Solve for x
    x = 145,687,960.05/13,888.52
  6. Step 6: Final answer
    x = 10,489.81

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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.