Home / 25,817.77-38,723.57-7,099.70

Finding the Fourth Proportional to 25,817.77, 38,723.57 and 7,099.70

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Solution

The fourth proportional to 25,817.77, 38,723.57 and 7,099.70 is: 10,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.77 : 38,723.57 = 7,099.70 : x
  2. Step 2: Convert to fraction form
    25,817.77/38,723.57 = 7,099.70/x
  3. Step 3: Cross multiply
    25,817.77x = 38,723.57 × 7,099.70
  4. Step 4: Simplify right side
    25,817.77x = 274,925,729.93
  5. Step 5: Solve for x
    x = 274,925,729.93/25,817.77
  6. Step 6: Final answer
    x = 10,648.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.