Home / 22,861.36-34,429.02-20,118.08

Finding the Fourth Proportional to 22,861.36, 34,429.02 and 20,118.08

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Solution

The fourth proportional to 22,861.36, 34,429.02 and 20,118.08 is: 30,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.36 : 34,429.02 = 20,118.08 : x
  2. Step 2: Convert to fraction form
    22,861.36/34,429.02 = 20,118.08/x
  3. Step 3: Cross multiply
    22,861.36x = 34,429.02 × 20,118.08
  4. Step 4: Simplify right side
    22,861.36x = 692,645,778.68
  5. Step 5: Solve for x
    x = 692,645,778.68/22,861.36
  6. Step 6: Final answer
    x = 30,297.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.