Home / 22,368.96-30,871.13-12,299.36

Finding the Fourth Proportional to 22,368.96, 30,871.13 and 12,299.36

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Solution

The fourth proportional to 22,368.96, 30,871.13 and 12,299.36 is: 16,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.96 : 30,871.13 = 12,299.36 : x
  2. Step 2: Convert to fraction form
    22,368.96/30,871.13 = 12,299.36/x
  3. Step 3: Cross multiply
    22,368.96x = 30,871.13 × 12,299.36
  4. Step 4: Simplify right side
    22,368.96x = 379,694,925.62
  5. Step 5: Solve for x
    x = 379,694,925.62/22,368.96
  6. Step 6: Final answer
    x = 16,974.19

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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.