Home / 22,902.41-31,604.64-12,830.60

Finding the Fourth Proportional to 22,902.41, 31,604.64 and 12,830.60

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Solution

The fourth proportional to 22,902.41, 31,604.64 and 12,830.60 is: 17,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.41 : 31,604.64 = 12,830.60 : x
  2. Step 2: Convert to fraction form
    22,902.41/31,604.64 = 12,830.60/x
  3. Step 3: Cross multiply
    22,902.41x = 31,604.64 × 12,830.60
  4. Step 4: Simplify right side
    22,902.41x = 405,506,493.98
  5. Step 5: Solve for x
    x = 405,506,493.98/22,902.41
  6. Step 6: Final answer
    x = 17,705.84

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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.