Home / 22,862.22-34,269.78-12,980.62

Finding the Fourth Proportional to 22,862.22, 34,269.78 and 12,980.62

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Solution

The fourth proportional to 22,862.22, 34,269.78 and 12,980.62 is: 19,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.22 : 34,269.78 = 12,980.62 : x
  2. Step 2: Convert to fraction form
    22,862.22/34,269.78 = 12,980.62/x
  3. Step 3: Cross multiply
    22,862.22x = 34,269.78 × 12,980.62
  4. Step 4: Simplify right side
    22,862.22x = 444,843,083.18
  5. Step 5: Solve for x
    x = 444,843,083.18/22,862.22
  6. Step 6: Final answer
    x = 19,457.57

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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.