Home / 13,316.34-18,380.85-8,596.98

Finding the Fourth Proportional to 13,316.34, 18,380.85 and 8,596.98

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Solution

The fourth proportional to 13,316.34, 18,380.85 and 8,596.98 is: 11,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.34 : 18,380.85 = 8,596.98 : x
  2. Step 2: Convert to fraction form
    13,316.34/18,380.85 = 8,596.98/x
  3. Step 3: Cross multiply
    13,316.34x = 18,380.85 × 8,596.98
  4. Step 4: Simplify right side
    13,316.34x = 158,019,799.83
  5. Step 5: Solve for x
    x = 158,019,799.83/13,316.34
  6. Step 6: Final answer
    x = 11,866.61

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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.