Home / 22,837.75-31,515.99-12,766.18

Finding the Fourth Proportional to 22,837.75, 31,515.99 and 12,766.18

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Solution

The fourth proportional to 22,837.75, 31,515.99 and 12,766.18 is: 17,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,837.75 : 31,515.99 = 12,766.18 : x
  2. Step 2: Convert to fraction form
    22,837.75/31,515.99 = 12,766.18/x
  3. Step 3: Cross multiply
    22,837.75x = 31,515.99 × 12,766.18
  4. Step 4: Simplify right side
    22,837.75x = 402,338,801.22
  5. Step 5: Solve for x
    x = 402,338,801.22/22,837.75
  6. Step 6: Final answer
    x = 17,617.27

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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.