Home / 15,604.31-23,404.75-3,917.57

Finding the Fourth Proportional to 15,604.31, 23,404.75 and 3,917.57

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Solution

The fourth proportional to 15,604.31, 23,404.75 and 3,917.57 is: 5,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.31 : 23,404.75 = 3,917.57 : x
  2. Step 2: Convert to fraction form
    15,604.31/23,404.75 = 3,917.57/x
  3. Step 3: Cross multiply
    15,604.31x = 23,404.75 × 3,917.57
  4. Step 4: Simplify right side
    15,604.31x = 91,689,619.64
  5. Step 5: Solve for x
    x = 91,689,619.64/15,604.31
  6. Step 6: Final answer
    x = 5,875.92

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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.