Home / 25,885.75-35,634.18-19,158.70

Finding the Fourth Proportional to 25,885.75, 35,634.18 and 19,158.70

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Solution

The fourth proportional to 25,885.75, 35,634.18 and 19,158.70 is: 26,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.75 : 35,634.18 = 19,158.70 : x
  2. Step 2: Convert to fraction form
    25,885.75/35,634.18 = 19,158.70/x
  3. Step 3: Cross multiply
    25,885.75x = 35,634.18 × 19,158.70
  4. Step 4: Simplify right side
    25,885.75x = 682,704,564.37
  5. Step 5: Solve for x
    x = 682,704,564.37/25,885.75
  6. Step 6: Final answer
    x = 26,373.76

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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.