Home / 18,734.90-25,854.12-10,776.94

Finding the Fourth Proportional to 18,734.90, 25,854.12 and 10,776.94

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Solution

The fourth proportional to 18,734.90, 25,854.12 and 10,776.94 is: 14,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.90 : 25,854.12 = 10,776.94 : x
  2. Step 2: Convert to fraction form
    18,734.90/25,854.12 = 10,776.94/x
  3. Step 3: Cross multiply
    18,734.90x = 25,854.12 × 10,776.94
  4. Step 4: Simplify right side
    18,734.90x = 278,628,299.99
  5. Step 5: Solve for x
    x = 278,628,299.99/18,734.90
  6. Step 6: Final answer
    x = 14,872.15

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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.