Home / 18,863.57-26,032.85-10,908.56

Finding the Fourth Proportional to 18,863.57, 26,032.85 and 10,908.56

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Solution

The fourth proportional to 18,863.57, 26,032.85 and 10,908.56 is: 15,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.57 : 26,032.85 = 10,908.56 : x
  2. Step 2: Convert to fraction form
    18,863.57/26,032.85 = 10,908.56/x
  3. Step 3: Cross multiply
    18,863.57x = 26,032.85 × 10,908.56
  4. Step 4: Simplify right side
    18,863.57x = 283,980,721.49
  5. Step 5: Solve for x
    x = 283,980,721.49/18,863.57
  6. Step 6: Final answer
    x = 15,054.46

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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.