Home / 16,219.87-22,381.41-9,503.96

Finding the Fourth Proportional to 16,219.87, 22,381.41 and 9,503.96

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Solution

The fourth proportional to 16,219.87, 22,381.41 and 9,503.96 is: 13,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.87 : 22,381.41 = 9,503.96 : x
  2. Step 2: Convert to fraction form
    16,219.87/22,381.41 = 9,503.96/x
  3. Step 3: Cross multiply
    16,219.87x = 22,381.41 × 9,503.96
  4. Step 4: Simplify right side
    16,219.87x = 212,711,949.12
  5. Step 5: Solve for x
    x = 212,711,949.12/16,219.87
  6. Step 6: Final answer
    x = 13,114.28

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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.