Home / 18,243.91-25,176.24-10,285.98

Finding the Fourth Proportional to 18,243.91, 25,176.24 and 10,285.98

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Solution

The fourth proportional to 18,243.91, 25,176.24 and 10,285.98 is: 14,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.91 : 25,176.24 = 10,285.98 : x
  2. Step 2: Convert to fraction form
    18,243.91/25,176.24 = 10,285.98/x
  3. Step 3: Cross multiply
    18,243.91x = 25,176.24 × 10,285.98
  4. Step 4: Simplify right side
    18,243.91x = 258,962,301.12
  5. Step 5: Solve for x
    x = 258,962,301.12/18,243.91
  6. Step 6: Final answer
    x = 14,194.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.