Home / 16,203.38-22,360.73-9,129.92

Finding the Fourth Proportional to 16,203.38, 22,360.73 and 9,129.92

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Solution

The fourth proportional to 16,203.38, 22,360.73 and 9,129.92 is: 12,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.38 : 22,360.73 = 9,129.92 : x
  2. Step 2: Convert to fraction form
    16,203.38/22,360.73 = 9,129.92/x
  3. Step 3: Cross multiply
    16,203.38x = 22,360.73 × 9,129.92
  4. Step 4: Simplify right side
    16,203.38x = 204,151,518.59
  5. Step 5: Solve for x
    x = 204,151,518.59/16,203.38
  6. Step 6: Final answer
    x = 12,599.32

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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.