Home / 11,826.60-17,739.90-10,367.40

Finding the Fourth Proportional to 11,826.60, 17,739.90 and 10,367.40

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Solution

The fourth proportional to 11,826.60, 17,739.90 and 10,367.40 is: 15,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.60 : 17,739.90 = 10,367.40 : x
  2. Step 2: Convert to fraction form
    11,826.60/17,739.90 = 10,367.40/x
  3. Step 3: Cross multiply
    11,826.60x = 17,739.90 × 10,367.40
  4. Step 4: Simplify right side
    11,826.60x = 183,916,639.26
  5. Step 5: Solve for x
    x = 183,916,639.26/11,826.60
  6. Step 6: Final answer
    x = 15,551.10

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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.