Home / 22,681.77-31,299.07-12,609.60

Finding the Fourth Proportional to 22,681.77, 31,299.07 and 12,609.60

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Solution

The fourth proportional to 22,681.77, 31,299.07 and 12,609.60 is: 17,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.77 : 31,299.07 = 12,609.60 : x
  2. Step 2: Convert to fraction form
    22,681.77/31,299.07 = 12,609.60/x
  3. Step 3: Cross multiply
    22,681.77x = 31,299.07 × 12,609.60
  4. Step 4: Simplify right side
    22,681.77x = 394,668,611.78
  5. Step 5: Solve for x
    x = 394,668,611.78/22,681.77
  6. Step 6: Final answer
    x = 17,400.26

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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.