Home / 18,734.91-25,854.78-10,237.84

Finding the Fourth Proportional to 18,734.91, 25,854.78 and 10,237.84

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Solution

The fourth proportional to 18,734.91, 25,854.78 and 10,237.84 is: 14,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.91 : 25,854.78 = 10,237.84 : x
  2. Step 2: Convert to fraction form
    18,734.91/25,854.78 = 10,237.84/x
  3. Step 3: Cross multiply
    18,734.91x = 25,854.78 × 10,237.84
  4. Step 4: Simplify right side
    18,734.91x = 264,697,100.88
  5. Step 5: Solve for x
    x = 264,697,100.88/18,734.91
  6. Step 6: Final answer
    x = 14,128.55

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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.