Home / 22,236.09-30,686.57-12,677.37

Finding the Fourth Proportional to 22,236.09, 30,686.57 and 12,677.37

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Solution

The fourth proportional to 22,236.09, 30,686.57 and 12,677.37 is: 17,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.09 : 30,686.57 = 12,677.37 : x
  2. Step 2: Convert to fraction form
    22,236.09/30,686.57 = 12,677.37/x
  3. Step 3: Cross multiply
    22,236.09x = 30,686.57 × 12,677.37
  4. Step 4: Simplify right side
    22,236.09x = 389,024,938.53
  5. Step 5: Solve for x
    x = 389,024,938.53/22,236.09
  6. Step 6: Final answer
    x = 17,495.20

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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.