Home / 23,320.38-32,181.19-12,709.79

Finding the Fourth Proportional to 23,320.38, 32,181.19 and 12,709.79

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Solution

The fourth proportional to 23,320.38, 32,181.19 and 12,709.79 is: 17,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.38 : 32,181.19 = 12,709.79 : x
  2. Step 2: Convert to fraction form
    23,320.38/32,181.19 = 12,709.79/x
  3. Step 3: Cross multiply
    23,320.38x = 32,181.19 × 12,709.79
  4. Step 4: Simplify right side
    23,320.38x = 409,015,974.17
  5. Step 5: Solve for x
    x = 409,015,974.17/23,320.38
  6. Step 6: Final answer
    x = 17,538.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.