Home / 16,201.08-22,358.52-12,215.16

Finding the Fourth Proportional to 16,201.08, 22,358.52 and 12,215.16

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Solution

The fourth proportional to 16,201.08, 22,358.52 and 12,215.16 is: 16,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.08 : 22,358.52 = 12,215.16 : x
  2. Step 2: Convert to fraction form
    16,201.08/22,358.52 = 12,215.16/x
  3. Step 3: Cross multiply
    16,201.08x = 22,358.52 × 12,215.16
  4. Step 4: Simplify right side
    16,201.08x = 273,112,899.16
  5. Step 5: Solve for x
    x = 273,112,899.16/16,201.08
  6. Step 6: Final answer
    x = 16,857.70

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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.