Home / 25,920.57-38,895.98-10,926.78

Finding the Fourth Proportional to 25,920.57, 38,895.98 and 10,926.78

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Solution

The fourth proportional to 25,920.57, 38,895.98 and 10,926.78 is: 16,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.57 : 38,895.98 = 10,926.78 : x
  2. Step 2: Convert to fraction form
    25,920.57/38,895.98 = 10,926.78/x
  3. Step 3: Cross multiply
    25,920.57x = 38,895.98 × 10,926.78
  4. Step 4: Simplify right side
    25,920.57x = 425,007,615.85
  5. Step 5: Solve for x
    x = 425,007,615.85/25,920.57
  6. Step 6: Final answer
    x = 16,396.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.