Home / 20,045.84-27,663.60-11,093.12

Finding the Fourth Proportional to 20,045.84, 27,663.60 and 11,093.12

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Solution

The fourth proportional to 20,045.84, 27,663.60 and 11,093.12 is: 15,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.84 : 27,663.60 = 11,093.12 : x
  2. Step 2: Convert to fraction form
    20,045.84/27,663.60 = 11,093.12/x
  3. Step 3: Cross multiply
    20,045.84x = 27,663.60 × 11,093.12
  4. Step 4: Simplify right side
    20,045.84x = 306,875,634.43
  5. Step 5: Solve for x
    x = 306,875,634.43/20,045.84
  6. Step 6: Final answer
    x = 15,308.69

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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.