Home / 18,724.62-25,840.54-10,767.58

Finding the Fourth Proportional to 18,724.62, 25,840.54 and 10,767.58

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Solution

The fourth proportional to 18,724.62, 25,840.54 and 10,767.58 is: 14,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.62 : 25,840.54 = 10,767.58 : x
  2. Step 2: Convert to fraction form
    18,724.62/25,840.54 = 10,767.58/x
  3. Step 3: Cross multiply
    18,724.62x = 25,840.54 × 10,767.58
  4. Step 4: Simplify right side
    18,724.62x = 278,240,081.69
  5. Step 5: Solve for x
    x = 278,240,081.69/18,724.62
  6. Step 6: Final answer
    x = 14,859.58

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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.