Home / 17,415.76-26,120.15-8,527.26

Finding the Fourth Proportional to 17,415.76, 26,120.15 and 8,527.26

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Solution

The fourth proportional to 17,415.76, 26,120.15 and 8,527.26 is: 12,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.76 : 26,120.15 = 8,527.26 : x
  2. Step 2: Convert to fraction form
    17,415.76/26,120.15 = 8,527.26/x
  3. Step 3: Cross multiply
    17,415.76x = 26,120.15 × 8,527.26
  4. Step 4: Simplify right side
    17,415.76x = 222,733,202.35
  5. Step 5: Solve for x
    x = 222,733,202.35/17,415.76
  6. Step 6: Final answer
    x = 12,789.17

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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.