Home / 18,766.38-25,894.74-10,700.71

Finding the Fourth Proportional to 18,766.38, 25,894.74 and 10,700.71

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Solution

The fourth proportional to 18,766.38, 25,894.74 and 10,700.71 is: 14,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.38 : 25,894.74 = 10,700.71 : x
  2. Step 2: Convert to fraction form
    18,766.38/25,894.74 = 10,700.71/x
  3. Step 3: Cross multiply
    18,766.38x = 25,894.74 × 10,700.71
  4. Step 4: Simplify right side
    18,766.38x = 277,092,018.46
  5. Step 5: Solve for x
    x = 277,092,018.46/18,766.38
  6. Step 6: Final answer
    x = 14,765.34

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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.