Home / 22,056.92-30,438.68-11,985.44

Finding the Fourth Proportional to 22,056.92, 30,438.68 and 11,985.44

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Solution

The fourth proportional to 22,056.92, 30,438.68 and 11,985.44 is: 16,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056.92 : 30,438.68 = 11,985.44 : x
  2. Step 2: Convert to fraction form
    22,056.92/30,438.68 = 11,985.44/x
  3. Step 3: Cross multiply
    22,056.92x = 30,438.68 × 11,985.44
  4. Step 4: Simplify right side
    22,056.92x = 364,820,972.82
  5. Step 5: Solve for x
    x = 364,820,972.82/22,056.92
  6. Step 6: Final answer
    x = 16,539.98

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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.