Home / 19,196.40-28,814.16-18,449.28

Finding the Fourth Proportional to 19,196.40, 28,814.16 and 18,449.28

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Solution

The fourth proportional to 19,196.40, 28,814.16 and 18,449.28 is: 27,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.40 : 28,814.16 = 18,449.28 : x
  2. Step 2: Convert to fraction form
    19,196.40/28,814.16 = 18,449.28/x
  3. Step 3: Cross multiply
    19,196.40x = 28,814.16 × 18,449.28
  4. Step 4: Simplify right side
    19,196.40x = 531,600,505.80
  5. Step 5: Solve for x
    x = 531,600,505.80/19,196.40
  6. Step 6: Final answer
    x = 27,692.72

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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.