Home / 17,805.45-26,708.72-6,118.50

Finding the Fourth Proportional to 17,805.45, 26,708.72 and 6,118.50

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Solution

The fourth proportional to 17,805.45, 26,708.72 and 6,118.50 is: 9,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.45 : 26,708.72 = 6,118.50 : x
  2. Step 2: Convert to fraction form
    17,805.45/26,708.72 = 6,118.50/x
  3. Step 3: Cross multiply
    17,805.45x = 26,708.72 × 6,118.50
  4. Step 4: Simplify right side
    17,805.45x = 163,417,272.73
  5. Step 5: Solve for x
    x = 163,417,272.73/17,805.45
  6. Step 6: Final answer
    x = 9,177.94

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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.