Home / 18,833.84-28,250.96-5,686.32

Finding the Fourth Proportional to 18,833.84, 28,250.96 and 5,686.32

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Solution

The fourth proportional to 18,833.84, 28,250.96 and 5,686.32 is: 8,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.84 : 28,250.96 = 5,686.32 : x
  2. Step 2: Convert to fraction form
    18,833.84/28,250.96 = 5,686.32/x
  3. Step 3: Cross multiply
    18,833.84x = 28,250.96 × 5,686.32
  4. Step 4: Simplify right side
    18,833.84x = 160,643,998.87
  5. Step 5: Solve for x
    x = 160,643,998.87/18,833.84
  6. Step 6: Final answer
    x = 8,529.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.