Home / 18,664.92-25,758.12-10,708.56

Finding the Fourth Proportional to 18,664.92, 25,758.12 and 10,708.56

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Solution

The fourth proportional to 18,664.92, 25,758.12 and 10,708.56 is: 14,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.92 : 25,758.12 = 10,708.56 : x
  2. Step 2: Convert to fraction form
    18,664.92/25,758.12 = 10,708.56/x
  3. Step 3: Cross multiply
    18,664.92x = 25,758.12 × 10,708.56
  4. Step 4: Simplify right side
    18,664.92x = 275,832,373.51
  5. Step 5: Solve for x
    x = 275,832,373.51/18,664.92
  6. Step 6: Final answer
    x = 14,778.12

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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.