Home / 22,677.40-31,292.88-12,602.62

Finding the Fourth Proportional to 22,677.40, 31,292.88 and 12,602.62

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Solution

The fourth proportional to 22,677.40, 31,292.88 and 12,602.62 is: 17,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.40 : 31,292.88 = 12,602.62 : x
  2. Step 2: Convert to fraction form
    22,677.40/31,292.88 = 12,602.62/x
  3. Step 3: Cross multiply
    22,677.40x = 31,292.88 × 12,602.62
  4. Step 4: Simplify right side
    22,677.40x = 394,372,338.09
  5. Step 5: Solve for x
    x = 394,372,338.09/22,677.40
  6. Step 6: Final answer
    x = 17,390.54

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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.