Home / 14,661.16-20,234.82-9,942.28

Finding the Fourth Proportional to 14,661.16, 20,234.82 and 9,942.28

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Solution

The fourth proportional to 14,661.16, 20,234.82 and 9,942.28 is: 13,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.16 : 20,234.82 = 9,942.28 : x
  2. Step 2: Convert to fraction form
    14,661.16/20,234.82 = 9,942.28/x
  3. Step 3: Cross multiply
    14,661.16x = 20,234.82 × 9,942.28
  4. Step 4: Simplify right side
    14,661.16x = 201,180,246.19
  5. Step 5: Solve for x
    x = 201,180,246.19/14,661.16
  6. Step 6: Final answer
    x = 13,721.99

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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.