Home / 22,919.95-34,389.44-21,080.85

Finding the Fourth Proportional to 22,919.95, 34,389.44 and 21,080.85

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Solution

The fourth proportional to 22,919.95, 34,389.44 and 21,080.85 is: 31,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.95 : 34,389.44 = 21,080.85 : x
  2. Step 2: Convert to fraction form
    22,919.95/34,389.44 = 21,080.85/x
  3. Step 3: Cross multiply
    22,919.95x = 34,389.44 × 21,080.85
  4. Step 4: Simplify right side
    22,919.95x = 724,958,626.22
  5. Step 5: Solve for x
    x = 724,958,626.22/22,919.95
  6. Step 6: Final answer
    x = 31,630.03

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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.