Home / 14,618.28-20,199.94-10,419.24

Finding the Fourth Proportional to 14,618.28, 20,199.94 and 10,419.24

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Solution

The fourth proportional to 14,618.28, 20,199.94 and 10,419.24 is: 14,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.28 : 20,199.94 = 10,419.24 : x
  2. Step 2: Convert to fraction form
    14,618.28/20,199.94 = 10,419.24/x
  3. Step 3: Cross multiply
    14,618.28x = 20,199.94 × 10,419.24
  4. Step 4: Simplify right side
    14,618.28x = 210,468,022.85
  5. Step 5: Solve for x
    x = 210,468,022.85/14,618.28
  6. Step 6: Final answer
    x = 14,397.59

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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.