Home / 17,490.12-26,238.06-8,725.32

Finding the Fourth Proportional to 17,490.12, 26,238.06 and 8,725.32

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Solution

The fourth proportional to 17,490.12, 26,238.06 and 8,725.32 is: 13,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.12 : 26,238.06 = 8,725.32 : x
  2. Step 2: Convert to fraction form
    17,490.12/26,238.06 = 8,725.32/x
  3. Step 3: Cross multiply
    17,490.12x = 26,238.06 × 8,725.32
  4. Step 4: Simplify right side
    17,490.12x = 228,935,469.68
  5. Step 5: Solve for x
    x = 228,935,469.68/17,490.12
  6. Step 6: Final answer
    x = 13,089.42

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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.