Home / 11,825.40-17,738.10-9,924.60

Finding the Fourth Proportional to 11,825.40, 17,738.10 and 9,924.60

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Solution

The fourth proportional to 11,825.40, 17,738.10 and 9,924.60 is: 14,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.40 : 17,738.10 = 9,924.60 : x
  2. Step 2: Convert to fraction form
    11,825.40/17,738.10 = 9,924.60/x
  3. Step 3: Cross multiply
    11,825.40x = 17,738.10 × 9,924.60
  4. Step 4: Simplify right side
    11,825.40x = 176,043,547.26
  5. Step 5: Solve for x
    x = 176,043,547.26/11,825.40
  6. Step 6: Final answer
    x = 14,886.90

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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.