Home / 25,925.20-38,868.60-10,334.80

Finding the Fourth Proportional to 25,925.20, 38,868.60 and 10,334.80

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Solution

The fourth proportional to 25,925.20, 38,868.60 and 10,334.80 is: 15,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.20 : 38,868.60 = 10,334.80 : x
  2. Step 2: Convert to fraction form
    25,925.20/38,868.60 = 10,334.80/x
  3. Step 3: Cross multiply
    25,925.20x = 38,868.60 × 10,334.80
  4. Step 4: Simplify right side
    25,925.20x = 401,699,207.28
  5. Step 5: Solve for x
    x = 401,699,207.28/25,925.20
  6. Step 6: Final answer
    x = 15,494.55

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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.