Home / 16,972.16-23,404.32-11,305.28

Finding the Fourth Proportional to 16,972.16, 23,404.32 and 11,305.28

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Solution

The fourth proportional to 16,972.16, 23,404.32 and 11,305.28 is: 15,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.16 : 23,404.32 = 11,305.28 : x
  2. Step 2: Convert to fraction form
    16,972.16/23,404.32 = 11,305.28/x
  3. Step 3: Cross multiply
    16,972.16x = 23,404.32 × 11,305.28
  4. Step 4: Simplify right side
    16,972.16x = 264,592,390.81
  5. Step 5: Solve for x
    x = 264,592,390.81/16,972.16
  6. Step 6: Final answer
    x = 15,589.79

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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.