Home / 22,369.13-30,869.78-12,297.99

Finding the Fourth Proportional to 22,369.13, 30,869.78 and 12,297.99

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Solution

The fourth proportional to 22,369.13, 30,869.78 and 12,297.99 is: 16,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,369.13 : 30,869.78 = 12,297.99 : x
  2. Step 2: Convert to fraction form
    22,369.13/30,869.78 = 12,297.99/x
  3. Step 3: Cross multiply
    22,369.13x = 30,869.78 × 12,297.99
  4. Step 4: Simplify right side
    22,369.13x = 379,636,245.74
  5. Step 5: Solve for x
    x = 379,636,245.74/22,369.13
  6. Step 6: Final answer
    x = 16,971.44

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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.