Home / 22,163.72-30,587.76-12,606.60

Finding the Fourth Proportional to 22,163.72, 30,587.76 and 12,606.60

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Solution

The fourth proportional to 22,163.72, 30,587.76 and 12,606.60 is: 17,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.72 : 30,587.76 = 12,606.60 : x
  2. Step 2: Convert to fraction form
    22,163.72/30,587.76 = 12,606.60/x
  3. Step 3: Cross multiply
    22,163.72x = 30,587.76 × 12,606.60
  4. Step 4: Simplify right side
    22,163.72x = 385,607,655.22
  5. Step 5: Solve for x
    x = 385,607,655.22/22,163.72
  6. Step 6: Final answer
    x = 17,398.15

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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.