Home / 26,656.34-39,984.31-10,857.66

Finding the Fourth Proportional to 26,656.34, 39,984.31 and 10,857.66

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Solution

The fourth proportional to 26,656.34, 39,984.31 and 10,857.66 is: 16,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.34 : 39,984.31 = 10,857.66 : x
  2. Step 2: Convert to fraction form
    26,656.34/39,984.31 = 10,857.66/x
  3. Step 3: Cross multiply
    26,656.34x = 39,984.31 × 10,857.66
  4. Step 4: Simplify right side
    26,656.34x = 434,136,043.31
  5. Step 5: Solve for x
    x = 434,136,043.31/26,656.34
  6. Step 6: Final answer
    x = 16,286.41

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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.