Home / 21,532.73-29,715.75-13,033.26

Finding the Fourth Proportional to 21,532.73, 29,715.75 and 13,033.26

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Solution

The fourth proportional to 21,532.73, 29,715.75 and 13,033.26 is: 17,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.73 : 29,715.75 = 13,033.26 : x
  2. Step 2: Convert to fraction form
    21,532.73/29,715.75 = 13,033.26/x
  3. Step 3: Cross multiply
    21,532.73x = 29,715.75 × 13,033.26
  4. Step 4: Simplify right side
    21,532.73x = 387,293,095.85
  5. Step 5: Solve for x
    x = 387,293,095.85/21,532.73
  6. Step 6: Final answer
    x = 17,986.26

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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.