Home / 13,569.42-18,723.62-7,601.34

Finding the Fourth Proportional to 13,569.42, 18,723.62 and 7,601.34

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Solution

The fourth proportional to 13,569.42, 18,723.62 and 7,601.34 is: 10,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.42 : 18,723.62 = 7,601.34 : x
  2. Step 2: Convert to fraction form
    13,569.42/18,723.62 = 7,601.34/x
  3. Step 3: Cross multiply
    13,569.42x = 18,723.62 × 7,601.34
  4. Step 4: Simplify right side
    13,569.42x = 142,324,620.65
  5. Step 5: Solve for x
    x = 142,324,620.65/13,569.42
  6. Step 6: Final answer
    x = 10,488.63

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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.