Home / 25,450.93-35,122.56-14,120.69

Finding the Fourth Proportional to 25,450.93, 35,122.56 and 14,120.69

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Solution

The fourth proportional to 25,450.93, 35,122.56 and 14,120.69 is: 19,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.93 : 35,122.56 = 14,120.69 : x
  2. Step 2: Convert to fraction form
    25,450.93/35,122.56 = 14,120.69/x
  3. Step 3: Cross multiply
    25,450.93x = 35,122.56 × 14,120.69
  4. Step 4: Simplify right side
    25,450.93x = 495,954,781.77
  5. Step 5: Solve for x
    x = 495,954,781.77/25,450.93
  6. Step 6: Final answer
    x = 19,486.71

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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.