Home / 17,738.47-24,477.97-9,780.76

Finding the Fourth Proportional to 17,738.47, 24,477.97 and 9,780.76

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Solution

The fourth proportional to 17,738.47, 24,477.97 and 9,780.76 is: 13,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.47 : 24,477.97 = 9,780.76 : x
  2. Step 2: Convert to fraction form
    17,738.47/24,477.97 = 9,780.76/x
  3. Step 3: Cross multiply
    17,738.47x = 24,477.97 × 9,780.76
  4. Step 4: Simplify right side
    17,738.47x = 239,413,009.14
  5. Step 5: Solve for x
    x = 239,413,009.14/17,738.47
  6. Step 6: Final answer
    x = 13,496.83

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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.