Home / 23,155.68-34,779.68-21,850.12

Finding the Fourth Proportional to 23,155.68, 34,779.68 and 21,850.12

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Solution

The fourth proportional to 23,155.68, 34,779.68 and 21,850.12 is: 32,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.68 : 34,779.68 = 21,850.12 : x
  2. Step 2: Convert to fraction form
    23,155.68/34,779.68 = 21,850.12/x
  3. Step 3: Cross multiply
    23,155.68x = 34,779.68 × 21,850.12
  4. Step 4: Simplify right side
    23,155.68x = 759,940,181.56
  5. Step 5: Solve for x
    x = 759,940,181.56/23,155.68
  6. Step 6: Final answer
    x = 32,818.74

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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.