Home / 16,216.74-22,376.43-9,143.01

Finding the Fourth Proportional to 16,216.74, 22,376.43 and 9,143.01

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Solution

The fourth proportional to 16,216.74, 22,376.43 and 9,143.01 is: 12,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.74 : 22,376.43 = 9,143.01 : x
  2. Step 2: Convert to fraction form
    16,216.74/22,376.43 = 9,143.01/x
  3. Step 3: Cross multiply
    16,216.74x = 22,376.43 × 9,143.01
  4. Step 4: Simplify right side
    16,216.74x = 204,587,923.25
  5. Step 5: Solve for x
    x = 204,587,923.25/16,216.74
  6. Step 6: Final answer
    x = 12,615.85

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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.