Home / 25,521.98-35,229.49-14,771.68

Finding the Fourth Proportional to 25,521.98, 35,229.49 and 14,771.68

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Solution

The fourth proportional to 25,521.98, 35,229.49 and 14,771.68 is: 20,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.98 : 35,229.49 = 14,771.68 : x
  2. Step 2: Convert to fraction form
    25,521.98/35,229.49 = 14,771.68/x
  3. Step 3: Cross multiply
    25,521.98x = 35,229.49 × 14,771.68
  4. Step 4: Simplify right side
    25,521.98x = 520,398,627.84
  5. Step 5: Solve for x
    x = 520,398,627.84/25,521.98
  6. Step 6: Final answer
    x = 20,390.22

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Double scale
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Similar ratio
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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.