Home / 25,140.75-34,690.38-14,528.33

Finding the Fourth Proportional to 25,140.75, 34,690.38 and 14,528.33

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Solution

The fourth proportional to 25,140.75, 34,690.38 and 14,528.33 is: 20,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.75 : 34,690.38 = 14,528.33 : x
  2. Step 2: Convert to fraction form
    25,140.75/34,690.38 = 14,528.33/x
  3. Step 3: Cross multiply
    25,140.75x = 34,690.38 × 14,528.33
  4. Step 4: Simplify right side
    25,140.75x = 503,993,190.62
  5. Step 5: Solve for x
    x = 503,993,190.62/25,140.75
  6. Step 6: Final answer
    x = 20,046.87

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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.