Home / 18,846.72-28,262.34-7,001.28

Finding the Fourth Proportional to 18,846.72, 28,262.34 and 7,001.28

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Solution

The fourth proportional to 18,846.72, 28,262.34 and 7,001.28 is: 10,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.72 : 28,262.34 = 7,001.28 : x
  2. Step 2: Convert to fraction form
    18,846.72/28,262.34 = 7,001.28/x
  3. Step 3: Cross multiply
    18,846.72x = 28,262.34 × 7,001.28
  4. Step 4: Simplify right side
    18,846.72x = 197,872,555.80
  5. Step 5: Solve for x
    x = 197,872,555.80/18,846.72
  6. Step 6: Final answer
    x = 10,499.04

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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.