Home / 17,135.79-25,698.18-5,446.28

Finding the Fourth Proportional to 17,135.79, 25,698.18 and 5,446.28

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Solution

The fourth proportional to 17,135.79, 25,698.18 and 5,446.28 is: 8,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.79 : 25,698.18 = 5,446.28 : x
  2. Step 2: Convert to fraction form
    17,135.79/25,698.18 = 5,446.28/x
  3. Step 3: Cross multiply
    17,135.79x = 25,698.18 × 5,446.28
  4. Step 4: Simplify right side
    17,135.79x = 139,959,355.28
  5. Step 5: Solve for x
    x = 139,959,355.28/17,135.79
  6. Step 6: Final answer
    x = 8,167.66

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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.