Home / 22,031.75-30,402.76-11,960.08

Finding the Fourth Proportional to 22,031.75, 30,402.76 and 11,960.08

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Solution

The fourth proportional to 22,031.75, 30,402.76 and 11,960.08 is: 16,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.75 : 30,402.76 = 11,960.08 : x
  2. Step 2: Convert to fraction form
    22,031.75/30,402.76 = 11,960.08/x
  3. Step 3: Cross multiply
    22,031.75x = 30,402.76 × 11,960.08
  4. Step 4: Simplify right side
    22,031.75x = 363,619,393.39
  5. Step 5: Solve for x
    x = 363,619,393.39/22,031.75
  6. Step 6: Final answer
    x = 16,504.34

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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.