Home / 25,611.25-35,340.93-14,279.67

Finding the Fourth Proportional to 25,611.25, 35,340.93 and 14,279.67

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Solution

The fourth proportional to 25,611.25, 35,340.93 and 14,279.67 is: 19,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.25 : 35,340.93 = 14,279.67 : x
  2. Step 2: Convert to fraction form
    25,611.25/35,340.93 = 14,279.67/x
  3. Step 3: Cross multiply
    25,611.25x = 35,340.93 × 14,279.67
  4. Step 4: Simplify right side
    25,611.25x = 504,656,817.89
  5. Step 5: Solve for x
    x = 504,656,817.89/25,611.25
  6. Step 6: Final answer
    x = 19,704.50

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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.