Home / 20,008.88-27,532.57-19,400.16

Finding the Fourth Proportional to 20,008.88, 27,532.57 and 19,400.16

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Solution

The fourth proportional to 20,008.88, 27,532.57 and 19,400.16 is: 26,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.88 : 27,532.57 = 19,400.16 : x
  2. Step 2: Convert to fraction form
    20,008.88/27,532.57 = 19,400.16/x
  3. Step 3: Cross multiply
    20,008.88x = 27,532.57 × 19,400.16
  4. Step 4: Simplify right side
    20,008.88x = 534,136,263.21
  5. Step 5: Solve for x
    x = 534,136,263.21/20,008.88
  6. Step 6: Final answer
    x = 26,694.96

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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.