Home / 20,018.84-27,625.14-11,065.88

Finding the Fourth Proportional to 20,018.84, 27,625.14 and 11,065.88

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Solution

The fourth proportional to 20,018.84, 27,625.14 and 11,065.88 is: 15,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.84 : 27,625.14 = 11,065.88 : x
  2. Step 2: Convert to fraction form
    20,018.84/27,625.14 = 11,065.88/x
  3. Step 3: Cross multiply
    20,018.84x = 27,625.14 × 11,065.88
  4. Step 4: Simplify right side
    20,018.84x = 305,696,484.22
  5. Step 5: Solve for x
    x = 305,696,484.22/20,018.84
  6. Step 6: Final answer
    x = 15,270.44

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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.