Home / 17,477.28-26,215.92-4,997.21

Finding the Fourth Proportional to 17,477.28, 26,215.92 and 4,997.21

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Solution

The fourth proportional to 17,477.28, 26,215.92 and 4,997.21 is: 7,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,477.28 : 26,215.92 = 4,997.21 : x
  2. Step 2: Convert to fraction form
    17,477.28/26,215.92 = 4,997.21/x
  3. Step 3: Cross multiply
    17,477.28x = 26,215.92 × 4,997.21
  4. Step 4: Simplify right side
    17,477.28x = 131,006,314.01
  5. Step 5: Solve for x
    x = 131,006,314.01/17,477.28
  6. Step 6: Final answer
    x = 7,495.81

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Double scale
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Similar ratio
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1.5x scale

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.