Home / 17,326.71-25,989.46-5,639.63

Finding the Fourth Proportional to 17,326.71, 25,989.46 and 5,639.63

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Solution

The fourth proportional to 17,326.71, 25,989.46 and 5,639.63 is: 8,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,326.71 : 25,989.46 = 5,639.63 : x
  2. Step 2: Convert to fraction form
    17,326.71/25,989.46 = 5,639.63/x
  3. Step 3: Cross multiply
    17,326.71x = 25,989.46 × 5,639.63
  4. Step 4: Simplify right side
    17,326.71x = 146,570,794.25
  5. Step 5: Solve for x
    x = 146,570,794.25/17,326.71
  6. Step 6: Final answer
    x = 8,459.24

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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.