Home / 14,614.32-20,163.12-8,648.04

Finding the Fourth Proportional to 14,614.32, 20,163.12 and 8,648.04

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Solution

The fourth proportional to 14,614.32, 20,163.12 and 8,648.04 is: 11,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.32 : 20,163.12 = 8,648.04 : x
  2. Step 2: Convert to fraction form
    14,614.32/20,163.12 = 8,648.04/x
  3. Step 3: Cross multiply
    14,614.32x = 20,163.12 × 8,648.04
  4. Step 4: Simplify right side
    14,614.32x = 174,371,468.28
  5. Step 5: Solve for x
    x = 174,371,468.28/14,614.32
  6. Step 6: Final answer
    x = 11,931.55

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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.