Home / 18,816.93-25,944.65-16,260.12

Finding the Fourth Proportional to 18,816.93, 25,944.65 and 16,260.12

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Solution

The fourth proportional to 18,816.93, 25,944.65 and 16,260.12 is: 22,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.93 : 25,944.65 = 16,260.12 : x
  2. Step 2: Convert to fraction form
    18,816.93/25,944.65 = 16,260.12/x
  3. Step 3: Cross multiply
    18,816.93x = 25,944.65 × 16,260.12
  4. Step 4: Simplify right side
    18,816.93x = 421,863,120.53
  5. Step 5: Solve for x
    x = 421,863,120.53/18,816.93
  6. Step 6: Final answer
    x = 22,419.34

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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.