Home / 22,030.98-30,401.85-11,959.03

Finding the Fourth Proportional to 22,030.98, 30,401.85 and 11,959.03

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Solution

The fourth proportional to 22,030.98, 30,401.85 and 11,959.03 is: 16,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.98 : 30,401.85 = 11,959.03 : x
  2. Step 2: Convert to fraction form
    22,030.98/30,401.85 = 11,959.03/x
  3. Step 3: Cross multiply
    22,030.98x = 30,401.85 × 11,959.03
  4. Step 4: Simplify right side
    22,030.98x = 363,576,636.21
  5. Step 5: Solve for x
    x = 363,576,636.21/22,030.98
  6. Step 6: Final answer
    x = 16,502.97

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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.