Home / 17,817.92-26,718.48-5,333.12

Finding the Fourth Proportional to 17,817.92, 26,718.48 and 5,333.12

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Solution

The fourth proportional to 17,817.92, 26,718.48 and 5,333.12 is: 7,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,817.92 : 26,718.48 = 5,333.12 : x
  2. Step 2: Convert to fraction form
    17,817.92/26,718.48 = 5,333.12/x
  3. Step 3: Cross multiply
    17,817.92x = 26,718.48 × 5,333.12
  4. Step 4: Simplify right side
    17,817.92x = 142,492,860.06
  5. Step 5: Solve for x
    x = 142,492,860.06/17,817.92
  6. Step 6: Final answer
    x = 7,997.17

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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.