Home / 22,771.33-31,419.07-13,818.62

Finding the Fourth Proportional to 22,771.33, 31,419.07 and 13,818.62

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Solution

The fourth proportional to 22,771.33, 31,419.07 and 13,818.62 is: 19,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.33 : 31,419.07 = 13,818.62 : x
  2. Step 2: Convert to fraction form
    22,771.33/31,419.07 = 13,818.62/x
  3. Step 3: Cross multiply
    22,771.33x = 31,419.07 × 13,818.62
  4. Step 4: Simplify right side
    22,771.33x = 434,168,189.08
  5. Step 5: Solve for x
    x = 434,168,189.08/22,771.33
  6. Step 6: Final answer
    x = 19,066.44

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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.