Home / 17,117.72-25,677.30-8,360.36

Finding the Fourth Proportional to 17,117.72, 25,677.30 and 8,360.36

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Solution

The fourth proportional to 17,117.72, 25,677.30 and 8,360.36 is: 12,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.72 : 25,677.30 = 8,360.36 : x
  2. Step 2: Convert to fraction form
    17,117.72/25,677.30 = 8,360.36/x
  3. Step 3: Cross multiply
    17,117.72x = 25,677.30 × 8,360.36
  4. Step 4: Simplify right side
    17,117.72x = 214,671,471.83
  5. Step 5: Solve for x
    x = 214,671,471.83/17,117.72
  6. Step 6: Final answer
    x = 12,540.89

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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.