Home / 18,717.19-25,826.78-10,757.93

Finding the Fourth Proportional to 18,717.19, 25,826.78 and 10,757.93

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Solution

The fourth proportional to 18,717.19, 25,826.78 and 10,757.93 is: 14,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.19 : 25,826.78 = 10,757.93 : x
  2. Step 2: Convert to fraction form
    18,717.19/25,826.78 = 10,757.93/x
  3. Step 3: Cross multiply
    18,717.19x = 25,826.78 × 10,757.93
  4. Step 4: Simplify right side
    18,717.19x = 277,842,691.37
  5. Step 5: Solve for x
    x = 277,842,691.37/18,717.19
  6. Step 6: Final answer
    x = 14,844.25

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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.