Home / 22,829.95-31,506.77-12,759.12

Finding the Fourth Proportional to 22,829.95, 31,506.77 and 12,759.12

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Solution

The fourth proportional to 22,829.95, 31,506.77 and 12,759.12 is: 17,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,829.95 : 31,506.77 = 12,759.12 : x
  2. Step 2: Convert to fraction form
    22,829.95/31,506.77 = 12,759.12/x
  3. Step 3: Cross multiply
    22,829.95x = 31,506.77 × 12,759.12
  4. Step 4: Simplify right side
    22,829.95x = 401,998,691.14
  5. Step 5: Solve for x
    x = 401,998,691.14/22,829.95
  6. Step 6: Final answer
    x = 17,608.39

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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.