Home / 25,450.74-35,120.98-14,120.73

Finding the Fourth Proportional to 25,450.74, 35,120.98 and 14,120.73

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Solution

The fourth proportional to 25,450.74, 35,120.98 and 14,120.73 is: 19,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.74 : 35,120.98 = 14,120.73 : x
  2. Step 2: Convert to fraction form
    25,450.74/35,120.98 = 14,120.73/x
  3. Step 3: Cross multiply
    25,450.74x = 35,120.98 × 14,120.73
  4. Step 4: Simplify right side
    25,450.74x = 495,933,629.71
  5. Step 5: Solve for x
    x = 495,933,629.71/25,450.74
  6. Step 6: Final answer
    x = 19,486.02

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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.