Home / 22,511.60-31,066.34-12,440.27

Finding the Fourth Proportional to 22,511.60, 31,066.34 and 12,440.27

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Solution

The fourth proportional to 22,511.60, 31,066.34 and 12,440.27 is: 17,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.60 : 31,066.34 = 12,440.27 : x
  2. Step 2: Convert to fraction form
    22,511.60/31,066.34 = 12,440.27/x
  3. Step 3: Cross multiply
    22,511.60x = 31,066.34 × 12,440.27
  4. Step 4: Simplify right side
    22,511.60x = 386,473,556.48
  5. Step 5: Solve for x
    x = 386,473,556.48/22,511.60
  6. Step 6: Final answer
    x = 17,167.76

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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.