Home / 22,673.68-31,272.64-15,961.21

Finding the Fourth Proportional to 22,673.68, 31,272.64 and 15,961.21

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Solution

The fourth proportional to 22,673.68, 31,272.64 and 15,961.21 is: 22,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,673.68 : 31,272.64 = 15,961.21 : x
  2. Step 2: Convert to fraction form
    22,673.68/31,272.64 = 15,961.21/x
  3. Step 3: Cross multiply
    22,673.68x = 31,272.64 × 15,961.21
  4. Step 4: Simplify right side
    22,673.68x = 499,149,056.21
  5. Step 5: Solve for x
    x = 499,149,056.21/22,673.68
  6. Step 6: Final answer
    x = 22,014.47

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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.