Home / 27,913.87-38,511.61-17,299.63

Finding the Fourth Proportional to 27,913.87, 38,511.61 and 17,299.63

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Solution

The fourth proportional to 27,913.87, 38,511.61 and 17,299.63 is: 23,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.87 : 38,511.61 = 17,299.63 : x
  2. Step 2: Convert to fraction form
    27,913.87/38,511.61 = 17,299.63/x
  3. Step 3: Cross multiply
    27,913.87x = 38,511.61 × 17,299.63
  4. Step 4: Simplify right side
    27,913.87x = 666,236,603.70
  5. Step 5: Solve for x
    x = 666,236,603.70/27,913.87
  6. Step 6: Final answer
    x = 23,867.58

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Double scale
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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.