Home / 16,190.10-22,341.96-9,116.55

Finding the Fourth Proportional to 16,190.10, 22,341.96 and 9,116.55

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Solution

The fourth proportional to 16,190.10, 22,341.96 and 9,116.55 is: 12,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.10 : 22,341.96 = 9,116.55 : x
  2. Step 2: Convert to fraction form
    16,190.10/22,341.96 = 9,116.55/x
  3. Step 3: Cross multiply
    16,190.10x = 22,341.96 × 9,116.55
  4. Step 4: Simplify right side
    16,190.10x = 203,681,595.44
  5. Step 5: Solve for x
    x = 203,681,595.44/16,190.10
  6. Step 6: Final answer
    x = 12,580.63

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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.