Home / 18,708.23-28,054.07-7,013.24

Finding the Fourth Proportional to 18,708.23, 28,054.07 and 7,013.24

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Solution

The fourth proportional to 18,708.23, 28,054.07 and 7,013.24 is: 10,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.23 : 28,054.07 = 7,013.24 : x
  2. Step 2: Convert to fraction form
    18,708.23/28,054.07 = 7,013.24/x
  3. Step 3: Cross multiply
    18,708.23x = 28,054.07 × 7,013.24
  4. Step 4: Simplify right side
    18,708.23x = 196,749,750.55
  5. Step 5: Solve for x
    x = 196,749,750.55/18,708.23
  6. Step 6: Final answer
    x = 10,516.75

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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.