Home / 12,992.06-19,483.20-10,251.02

Finding the Fourth Proportional to 12,992.06, 19,483.20 and 10,251.02

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Solution

The fourth proportional to 12,992.06, 19,483.20 and 10,251.02 is: 15,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992.06 : 19,483.20 = 10,251.02 : x
  2. Step 2: Convert to fraction form
    12,992.06/19,483.20 = 10,251.02/x
  3. Step 3: Cross multiply
    12,992.06x = 19,483.20 × 10,251.02
  4. Step 4: Simplify right side
    12,992.06x = 199,722,575.45
  5. Step 5: Solve for x
    x = 199,722,575.45/12,992.06
  6. Step 6: Final answer
    x = 15,372.67

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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.