Home / 22,197.94-30,631.80-12,124.34

Finding the Fourth Proportional to 22,197.94, 30,631.80 and 12,124.34

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Solution

The fourth proportional to 22,197.94, 30,631.80 and 12,124.34 is: 16,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.94 : 30,631.80 = 12,124.34 : x
  2. Step 2: Convert to fraction form
    22,197.94/30,631.80 = 12,124.34/x
  3. Step 3: Cross multiply
    22,197.94x = 30,631.80 × 12,124.34
  4. Step 4: Simplify right side
    22,197.94x = 371,390,358.01
  5. Step 5: Solve for x
    x = 371,390,358.01/22,197.94
  6. Step 6: Final answer
    x = 16,730.85

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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.