Home / 20,017.68-27,625.59-11,064.99

Finding the Fourth Proportional to 20,017.68, 27,625.59 and 11,064.99

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Solution

The fourth proportional to 20,017.68, 27,625.59 and 11,064.99 is: 15,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.68 : 27,625.59 = 11,064.99 : x
  2. Step 2: Convert to fraction form
    20,017.68/27,625.59 = 11,064.99/x
  3. Step 3: Cross multiply
    20,017.68x = 27,625.59 × 11,064.99
  4. Step 4: Simplify right side
    20,017.68x = 305,676,877.09
  5. Step 5: Solve for x
    x = 305,676,877.09/20,017.68
  6. Step 6: Final answer
    x = 15,270.34

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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.