Home / 18,701.24-28,050.76-7,013.48

Finding the Fourth Proportional to 18,701.24, 28,050.76 and 7,013.48

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Solution

The fourth proportional to 18,701.24, 28,050.76 and 7,013.48 is: 10,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.24 : 28,050.76 = 7,013.48 : x
  2. Step 2: Convert to fraction form
    18,701.24/28,050.76 = 7,013.48/x
  3. Step 3: Cross multiply
    18,701.24x = 28,050.76 × 7,013.48
  4. Step 4: Simplify right side
    18,701.24x = 196,733,444.24
  5. Step 5: Solve for x
    x = 196,733,444.24/18,701.24
  6. Step 6: Final answer
    x = 10,519.81

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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.