Home / 26,609.91-36,703.22-21,574.32

Finding the Fourth Proportional to 26,609.91, 36,703.22 and 21,574.32

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Solution

The fourth proportional to 26,609.91, 36,703.22 and 21,574.32 is: 29,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,609.91 : 36,703.22 = 21,574.32 : x
  2. Step 2: Convert to fraction form
    26,609.91/36,703.22 = 21,574.32/x
  3. Step 3: Cross multiply
    26,609.91x = 36,703.22 × 21,574.32
  4. Step 4: Simplify right side
    26,609.91x = 791,846,905.44
  5. Step 5: Solve for x
    x = 791,846,905.44/26,609.91
  6. Step 6: Final answer
    x = 29,757.59

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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.