Home / 27,913.06-41,869.59-13,111.12

Finding the Fourth Proportional to 27,913.06, 41,869.59 and 13,111.12

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Solution

The fourth proportional to 27,913.06, 41,869.59 and 13,111.12 is: 19,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.06 : 41,869.59 = 13,111.12 : x
  2. Step 2: Convert to fraction form
    27,913.06/41,869.59 = 13,111.12/x
  3. Step 3: Cross multiply
    27,913.06x = 41,869.59 × 13,111.12
  4. Step 4: Simplify right side
    27,913.06x = 548,957,218.84
  5. Step 5: Solve for x
    x = 548,957,218.84/27,913.06
  6. Step 6: Final answer
    x = 19,666.68

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Double scale
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Similar ratio
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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.