Home / 26,789.49-36,974.61-15,466.32

Finding the Fourth Proportional to 26,789.49, 36,974.61 and 15,466.32

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Solution

The fourth proportional to 26,789.49, 36,974.61 and 15,466.32 is: 21,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.49 : 36,974.61 = 15,466.32 : x
  2. Step 2: Convert to fraction form
    26,789.49/36,974.61 = 15,466.32/x
  3. Step 3: Cross multiply
    26,789.49x = 36,974.61 × 15,466.32
  4. Step 4: Simplify right side
    26,789.49x = 571,861,150.14
  5. Step 5: Solve for x
    x = 571,861,150.14/26,789.49
  6. Step 6: Final answer
    x = 21,346.47

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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.