Home / 13,960.20-19,264.85-7,672.44

Finding the Fourth Proportional to 13,960.20, 19,264.85 and 7,672.44

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Solution

The fourth proportional to 13,960.20, 19,264.85 and 7,672.44 is: 10,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.20 : 19,264.85 = 7,672.44 : x
  2. Step 2: Convert to fraction form
    13,960.20/19,264.85 = 7,672.44/x
  3. Step 3: Cross multiply
    13,960.20x = 19,264.85 × 7,672.44
  4. Step 4: Simplify right side
    13,960.20x = 147,808,424.92
  5. Step 5: Solve for x
    x = 147,808,424.92/13,960.20
  6. Step 6: Final answer
    x = 10,587.84

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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.