Home / 15,643.46-23,465.26-3,956.69

Finding the Fourth Proportional to 15,643.46, 23,465.26 and 3,956.69

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Solution

The fourth proportional to 15,643.46, 23,465.26 and 3,956.69 is: 5,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.46 : 23,465.26 = 3,956.69 : x
  2. Step 2: Convert to fraction form
    15,643.46/23,465.26 = 3,956.69/x
  3. Step 3: Cross multiply
    15,643.46x = 23,465.26 × 3,956.69
  4. Step 4: Simplify right side
    15,643.46x = 92,844,642.26
  5. Step 5: Solve for x
    x = 92,844,642.26/15,643.46
  6. Step 6: Final answer
    x = 5,935.05

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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.