Home / 22,368.35-30,866.78-12,296.58

Finding the Fourth Proportional to 22,368.35, 30,866.78 and 12,296.58

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Solution

The fourth proportional to 22,368.35, 30,866.78 and 12,296.58 is: 16,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.35 : 30,866.78 = 12,296.58 : x
  2. Step 2: Convert to fraction form
    22,368.35/30,866.78 = 12,296.58/x
  3. Step 3: Cross multiply
    22,368.35x = 30,866.78 × 12,296.58
  4. Step 4: Simplify right side
    22,368.35x = 379,555,829.61
  5. Step 5: Solve for x
    x = 379,555,829.61/22,368.35
  6. Step 6: Final answer
    x = 16,968.43

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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.