Home / 18,723.14-28,087.59-7,037.18

Finding the Fourth Proportional to 18,723.14, 28,087.59 and 7,037.18

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Solution

The fourth proportional to 18,723.14, 28,087.59 and 7,037.18 is: 10,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.14 : 28,087.59 = 7,037.18 : x
  2. Step 2: Convert to fraction form
    18,723.14/28,087.59 = 7,037.18/x
  3. Step 3: Cross multiply
    18,723.14x = 28,087.59 × 7,037.18
  4. Step 4: Simplify right side
    18,723.14x = 197,657,426.60
  5. Step 5: Solve for x
    x = 197,657,426.60/18,723.14
  6. Step 6: Final answer
    x = 10,556.85

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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.