Home / 22,029.84-30,401.40-11,958.36

Finding the Fourth Proportional to 22,029.84, 30,401.40 and 11,958.36

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Solution

The fourth proportional to 22,029.84, 30,401.40 and 11,958.36 is: 16,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.84 : 30,401.40 = 11,958.36 : x
  2. Step 2: Convert to fraction form
    22,029.84/30,401.40 = 11,958.36/x
  3. Step 3: Cross multiply
    22,029.84x = 30,401.40 × 11,958.36
  4. Step 4: Simplify right side
    22,029.84x = 363,550,885.70
  5. Step 5: Solve for x
    x = 363,550,885.70/22,029.84
  6. Step 6: Final answer
    x = 16,502.66

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Half scale
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Double scale
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Similar ratio
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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.