Home / 25,912.40-38,868.62-10,340.96

Finding the Fourth Proportional to 25,912.40, 38,868.62 and 10,340.96

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Solution

The fourth proportional to 25,912.40, 38,868.62 and 10,340.96 is: 15,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.40 : 38,868.62 = 10,340.96 : x
  2. Step 2: Convert to fraction form
    25,912.40/38,868.62 = 10,340.96/x
  3. Step 3: Cross multiply
    25,912.40x = 38,868.62 × 10,340.96
  4. Step 4: Simplify right side
    25,912.40x = 401,938,598.63
  5. Step 5: Solve for x
    x = 401,938,598.63/25,912.40
  6. Step 6: Final answer
    x = 15,511.44

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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.