Home / 25,433.20-38,145.40-6,960.88

Finding the Fourth Proportional to 25,433.20, 38,145.40 and 6,960.88

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Solution

The fourth proportional to 25,433.20, 38,145.40 and 6,960.88 is: 10,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.20 : 38,145.40 = 6,960.88 : x
  2. Step 2: Convert to fraction form
    25,433.20/38,145.40 = 6,960.88/x
  3. Step 3: Cross multiply
    25,433.20x = 38,145.40 × 6,960.88
  4. Step 4: Simplify right side
    25,433.20x = 265,525,551.95
  5. Step 5: Solve for x
    x = 265,525,551.95/25,433.20
  6. Step 6: Final answer
    x = 10,440.12

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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.