Home / 22,861.44-34,291.68-7,278.72

Finding the Fourth Proportional to 22,861.44, 34,291.68 and 7,278.72

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Solution

The fourth proportional to 22,861.44, 34,291.68 and 7,278.72 is: 10,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.44 : 34,291.68 = 7,278.72 : x
  2. Step 2: Convert to fraction form
    22,861.44/34,291.68 = 7,278.72/x
  3. Step 3: Cross multiply
    22,861.44x = 34,291.68 × 7,278.72
  4. Step 4: Simplify right side
    22,861.44x = 249,599,537.05
  5. Step 5: Solve for x
    x = 249,599,537.05/22,861.44
  6. Step 6: Final answer
    x = 10,917.93

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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.