Home / 17,738.26-24,478.77-9,780.50

Finding the Fourth Proportional to 17,738.26, 24,478.77 and 9,780.50

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Solution

The fourth proportional to 17,738.26, 24,478.77 and 9,780.50 is: 13,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.26 : 24,478.77 = 9,780.50 : x
  2. Step 2: Convert to fraction form
    17,738.26/24,478.77 = 9,780.50/x
  3. Step 3: Cross multiply
    17,738.26x = 24,478.77 × 9,780.50
  4. Step 4: Simplify right side
    17,738.26x = 239,414,570.17
  5. Step 5: Solve for x
    x = 239,414,570.17/17,738.26
  6. Step 6: Final answer
    x = 13,497.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.