Home / 13,601.54-20,397.54-4,240.38

Finding the Fourth Proportional to 13,601.54, 20,397.54 and 4,240.38

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Solution

The fourth proportional to 13,601.54, 20,397.54 and 4,240.38 is: 6,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.54 : 20,397.54 = 4,240.38 : x
  2. Step 2: Convert to fraction form
    13,601.54/20,397.54 = 4,240.38/x
  3. Step 3: Cross multiply
    13,601.54x = 20,397.54 × 4,240.38
  4. Step 4: Simplify right side
    13,601.54x = 86,493,320.67
  5. Step 5: Solve for x
    x = 86,493,320.67/13,601.54
  6. Step 6: Final answer
    x = 6,359.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.