Home / 22,193.04-30,627.64-12,122.40

Finding the Fourth Proportional to 22,193.04, 30,627.64 and 12,122.40

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Solution

The fourth proportional to 22,193.04, 30,627.64 and 12,122.40 is: 16,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.04 : 30,627.64 = 12,122.40 : x
  2. Step 2: Convert to fraction form
    22,193.04/30,627.64 = 12,122.40/x
  3. Step 3: Cross multiply
    22,193.04x = 30,627.64 × 12,122.40
  4. Step 4: Simplify right side
    22,193.04x = 371,280,503.14
  5. Step 5: Solve for x
    x = 371,280,503.14/22,193.04
  6. Step 6: Final answer
    x = 16,729.59

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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.