Home / 19,099.44-28,650.68-7,258.88

Finding the Fourth Proportional to 19,099.44, 28,650.68 and 7,258.88

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Solution

The fourth proportional to 19,099.44, 28,650.68 and 7,258.88 is: 10,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.44 : 28,650.68 = 7,258.88 : x
  2. Step 2: Convert to fraction form
    19,099.44/28,650.68 = 7,258.88/x
  3. Step 3: Cross multiply
    19,099.44x = 28,650.68 × 7,258.88
  4. Step 4: Simplify right side
    19,099.44x = 207,971,848.04
  5. Step 5: Solve for x
    x = 207,971,848.04/19,099.44
  6. Step 6: Final answer
    x = 10,888.90

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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.