Home / 33,266.12-45,896.04-20,690.12

Finding the Fourth Proportional to 33,266.12, 45,896.04 and 20,690.12

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Solution

The fourth proportional to 33,266.12, 45,896.04 and 20,690.12 is: 28,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,266.12 : 45,896.04 = 20,690.12 : x
  2. Step 2: Convert to fraction form
    33,266.12/45,896.04 = 20,690.12/x
  3. Step 3: Cross multiply
    33,266.12x = 45,896.04 × 20,690.12
  4. Step 4: Simplify right side
    33,266.12x = 949,594,575.12
  5. Step 5: Solve for x
    x = 949,594,575.12/33,266.12
  6. Step 6: Final answer
    x = 28,545.40

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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.