Home / 22,031.98-30,403.23-11,960.03

Finding the Fourth Proportional to 22,031.98, 30,403.23 and 11,960.03

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Solution

The fourth proportional to 22,031.98, 30,403.23 and 11,960.03 is: 16,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.98 : 30,403.23 = 11,960.03 : x
  2. Step 2: Convert to fraction form
    22,031.98/30,403.23 = 11,960.03/x
  3. Step 3: Cross multiply
    22,031.98x = 30,403.23 × 11,960.03
  4. Step 4: Simplify right side
    22,031.98x = 363,623,542.90
  5. Step 5: Solve for x
    x = 363,623,542.90/22,031.98
  6. Step 6: Final answer
    x = 16,504.35

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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.