Home / 22,224.75-30,690.08-20,674.70

Finding the Fourth Proportional to 22,224.75, 30,690.08 and 20,674.70

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Solution

The fourth proportional to 22,224.75, 30,690.08 and 20,674.70 is: 28,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.75 : 30,690.08 = 20,674.70 : x
  2. Step 2: Convert to fraction form
    22,224.75/30,690.08 = 20,674.70/x
  3. Step 3: Cross multiply
    22,224.75x = 30,690.08 × 20,674.70
  4. Step 4: Simplify right side
    22,224.75x = 634,508,196.98
  5. Step 5: Solve for x
    x = 634,508,196.98/22,224.75
  6. Step 6: Final answer
    x = 28,549.62

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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.