Home / 26,915.73-37,139.50-14,979.03

Finding the Fourth Proportional to 26,915.73, 37,139.50 and 14,979.03

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Solution

The fourth proportional to 26,915.73, 37,139.50 and 14,979.03 is: 20,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.73 : 37,139.50 = 14,979.03 : x
  2. Step 2: Convert to fraction form
    26,915.73/37,139.50 = 14,979.03/x
  3. Step 3: Cross multiply
    26,915.73x = 37,139.50 × 14,979.03
  4. Step 4: Simplify right side
    26,915.73x = 556,313,564.14
  5. Step 5: Solve for x
    x = 556,313,564.14/26,915.73
  6. Step 6: Final answer
    x = 20,668.72

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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.