Home / 17,736.59-24,476.79-9,778.70

Finding the Fourth Proportional to 17,736.59, 24,476.79 and 9,778.70

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Solution

The fourth proportional to 17,736.59, 24,476.79 and 9,778.70 is: 13,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.59 : 24,476.79 = 9,778.70 : x
  2. Step 2: Convert to fraction form
    17,736.59/24,476.79 = 9,778.70/x
  3. Step 3: Cross multiply
    17,736.59x = 24,476.79 × 9,778.70
  4. Step 4: Simplify right side
    17,736.59x = 239,351,186.37
  5. Step 5: Solve for x
    x = 239,351,186.37/17,736.59
  6. Step 6: Final answer
    x = 13,494.77

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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.