Home / 17,738.08-24,479.46-9,780.28

Finding the Fourth Proportional to 17,738.08, 24,479.46 and 9,780.28

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Solution

The fourth proportional to 17,738.08, 24,479.46 and 9,780.28 is: 13,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.08 : 24,479.46 = 9,780.28 : x
  2. Step 2: Convert to fraction form
    17,738.08/24,479.46 = 9,780.28/x
  3. Step 3: Cross multiply
    17,738.08x = 24,479.46 × 9,780.28
  4. Step 4: Simplify right side
    17,738.08x = 239,415,973.05
  5. Step 5: Solve for x
    x = 239,415,973.05/17,738.08
  6. Step 6: Final answer
    x = 13,497.29

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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.