Home / 19,508.06-29,249.78-10,749.12

Finding the Fourth Proportional to 19,508.06, 29,249.78 and 10,749.12

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Solution

The fourth proportional to 19,508.06, 29,249.78 and 10,749.12 is: 16,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.06 : 29,249.78 = 10,749.12 : x
  2. Step 2: Convert to fraction form
    19,508.06/29,249.78 = 10,749.12/x
  3. Step 3: Cross multiply
    19,508.06x = 29,249.78 × 10,749.12
  4. Step 4: Simplify right side
    19,508.06x = 314,409,341.45
  5. Step 5: Solve for x
    x = 314,409,341.45/19,508.06
  6. Step 6: Final answer
    x = 16,116.90

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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.