Home / 15,336.58-21,166.44-9,366.98

Finding the Fourth Proportional to 15,336.58, 21,166.44 and 9,366.98

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Solution

The fourth proportional to 15,336.58, 21,166.44 and 9,366.98 is: 12,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.58 : 21,166.44 = 9,366.98 : x
  2. Step 2: Convert to fraction form
    15,336.58/21,166.44 = 9,366.98/x
  3. Step 3: Cross multiply
    15,336.58x = 21,166.44 × 9,366.98
  4. Step 4: Simplify right side
    15,336.58x = 198,265,620.15
  5. Step 5: Solve for x
    x = 198,265,620.15/15,336.58
  6. Step 6: Final answer
    x = 12,927.63

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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.