Home / 17,415.45-26,105.30-6,881.21

Finding the Fourth Proportional to 17,415.45, 26,105.30 and 6,881.21

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Solution

The fourth proportional to 17,415.45, 26,105.30 and 6,881.21 is: 10,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.45 : 26,105.30 = 6,881.21 : x
  2. Step 2: Convert to fraction form
    17,415.45/26,105.30 = 6,881.21/x
  3. Step 3: Cross multiply
    17,415.45x = 26,105.30 × 6,881.21
  4. Step 4: Simplify right side
    17,415.45x = 179,635,886.48
  5. Step 5: Solve for x
    x = 179,635,886.48/17,415.45
  6. Step 6: Final answer
    x = 10,314.74

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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.