Home / 26,621.52-36,739.62-15,294.30

Finding the Fourth Proportional to 26,621.52, 36,739.62 and 15,294.30

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Solution

The fourth proportional to 26,621.52, 36,739.62 and 15,294.30 is: 21,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.52 : 36,739.62 = 15,294.30 : x
  2. Step 2: Convert to fraction form
    26,621.52/36,739.62 = 15,294.30/x
  3. Step 3: Cross multiply
    26,621.52x = 36,739.62 × 15,294.30
  4. Step 4: Simplify right side
    26,621.52x = 561,906,770.17
  5. Step 5: Solve for x
    x = 561,906,770.17/26,621.52
  6. Step 6: Final answer
    x = 21,107.24

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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.