Home / 15,760.45-23,643.47-5,231.10

Finding the Fourth Proportional to 15,760.45, 23,643.47 and 5,231.10

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Solution

The fourth proportional to 15,760.45, 23,643.47 and 5,231.10 is: 7,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.45 : 23,643.47 = 5,231.10 : x
  2. Step 2: Convert to fraction form
    15,760.45/23,643.47 = 5,231.10/x
  3. Step 3: Cross multiply
    15,760.45x = 23,643.47 × 5,231.10
  4. Step 4: Simplify right side
    15,760.45x = 123,681,355.92
  5. Step 5: Solve for x
    x = 123,681,355.92/15,760.45
  6. Step 6: Final answer
    x = 7,847.58

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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.