Home / 21,588.36-32,404.62-17,828.17

Finding the Fourth Proportional to 21,588.36, 32,404.62 and 17,828.17

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Solution

The fourth proportional to 21,588.36, 32,404.62 and 17,828.17 is: 26,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.36 : 32,404.62 = 17,828.17 : x
  2. Step 2: Convert to fraction form
    21,588.36/32,404.62 = 17,828.17/x
  3. Step 3: Cross multiply
    21,588.36x = 32,404.62 × 17,828.17
  4. Step 4: Simplify right side
    21,588.36x = 577,715,074.15
  5. Step 5: Solve for x
    x = 577,715,074.15/21,588.36
  6. Step 6: Final answer
    x = 26,760.49

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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.