Home / 25,450.50-35,121.69-14,272.50

Finding the Fourth Proportional to 25,450.50, 35,121.69 and 14,272.50

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Solution

The fourth proportional to 25,450.50, 35,121.69 and 14,272.50 is: 19,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.50 : 35,121.69 = 14,272.50 : x
  2. Step 2: Convert to fraction form
    25,450.50/35,121.69 = 14,272.50/x
  3. Step 3: Cross multiply
    25,450.50x = 35,121.69 × 14,272.50
  4. Step 4: Simplify right side
    25,450.50x = 501,274,320.53
  5. Step 5: Solve for x
    x = 501,274,320.53/25,450.50
  6. Step 6: Final answer
    x = 19,696.05

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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.