Home / 17,429.16-26,127-11,171.64

Finding the Fourth Proportional to 17,429.16, 26,127 and 11,171.64

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Solution

The fourth proportional to 17,429.16, 26,127 and 11,171.64 is: 16,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,429.16 : 26,127 = 11,171.64 : x
  2. Step 2: Convert to fraction form
    17,429.16/26,127 = 11,171.64/x
  3. Step 3: Cross multiply
    17,429.16x = 26,127 × 11,171.64
  4. Step 4: Simplify right side
    17,429.16x = 291,881,438.28
  5. Step 5: Solve for x
    x = 291,881,438.28/17,429.16
  6. Step 6: Final answer
    x = 16,746.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.