Home / 26,217-36,179.10-15,606.36

Finding the Fourth Proportional to 26,217, 36,179.10 and 15,606.36

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Solution

The fourth proportional to 26,217, 36,179.10 and 15,606.36 is: 21,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217 : 36,179.10 = 15,606.36 : x
  2. Step 2: Convert to fraction form
    26,217/36,179.10 = 15,606.36/x
  3. Step 3: Cross multiply
    26,217x = 36,179.10 × 15,606.36
  4. Step 4: Simplify right side
    26,217x = 564,624,059.08
  5. Step 5: Solve for x
    x = 564,624,059.08/26,217
  6. Step 6: Final answer
    x = 21,536.56

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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.