Home / 19,660.32-29,498.38-7,181.19

Finding the Fourth Proportional to 19,660.32, 29,498.38 and 7,181.19

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Solution

The fourth proportional to 19,660.32, 29,498.38 and 7,181.19 is: 10,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.32 : 29,498.38 = 7,181.19 : x
  2. Step 2: Convert to fraction form
    19,660.32/29,498.38 = 7,181.19/x
  3. Step 3: Cross multiply
    19,660.32x = 29,498.38 × 7,181.19
  4. Step 4: Simplify right side
    19,660.32x = 211,833,453.52
  5. Step 5: Solve for x
    x = 211,833,453.52/19,660.32
  6. Step 6: Final answer
    x = 10,774.67

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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.