Home / 11,925.60-17,907.12-10,100.64

Finding the Fourth Proportional to 11,925.60, 17,907.12 and 10,100.64

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Solution

The fourth proportional to 11,925.60, 17,907.12 and 10,100.64 is: 15,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.60 : 17,907.12 = 10,100.64 : x
  2. Step 2: Convert to fraction form
    11,925.60/17,907.12 = 10,100.64/x
  3. Step 3: Cross multiply
    11,925.60x = 17,907.12 × 10,100.64
  4. Step 4: Simplify right side
    11,925.60x = 180,873,372.56
  5. Step 5: Solve for x
    x = 180,873,372.56/11,925.60
  6. Step 6: Final answer
    x = 15,166.82

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1.5x scale

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.