Home / 16,685.18-23,015.54-11,019.94

Finding the Fourth Proportional to 16,685.18, 23,015.54 and 11,019.94

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Solution

The fourth proportional to 16,685.18, 23,015.54 and 11,019.94 is: 15,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.18 : 23,015.54 = 11,019.94 : x
  2. Step 2: Convert to fraction form
    16,685.18/23,015.54 = 11,019.94/x
  3. Step 3: Cross multiply
    16,685.18x = 23,015.54 × 11,019.94
  4. Step 4: Simplify right side
    16,685.18x = 253,629,869.87
  5. Step 5: Solve for x
    x = 253,629,869.87/16,685.18
  6. Step 6: Final answer
    x = 15,200.91

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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.