Home / 16,436.32-22,679.76-9,361.60

Finding the Fourth Proportional to 16,436.32, 22,679.76 and 9,361.60

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Solution

The fourth proportional to 16,436.32, 22,679.76 and 9,361.60 is: 12,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,436.32 : 22,679.76 = 9,361.60 : x
  2. Step 2: Convert to fraction form
    16,436.32/22,679.76 = 9,361.60/x
  3. Step 3: Cross multiply
    16,436.32x = 22,679.76 × 9,361.60
  4. Step 4: Simplify right side
    16,436.32x = 212,318,841.22
  5. Step 5: Solve for x
    x = 212,318,841.22/16,436.32
  6. Step 6: Final answer
    x = 12,917.66

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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.