Home / 17,125.94-25,689.63-5,440.82

Finding the Fourth Proportional to 17,125.94, 25,689.63 and 5,440.82

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Solution

The fourth proportional to 17,125.94, 25,689.63 and 5,440.82 is: 8,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.94 : 25,689.63 = 5,440.82 : x
  2. Step 2: Convert to fraction form
    17,125.94/25,689.63 = 5,440.82/x
  3. Step 3: Cross multiply
    17,125.94x = 25,689.63 × 5,440.82
  4. Step 4: Simplify right side
    17,125.94x = 139,772,652.70
  5. Step 5: Solve for x
    x = 139,772,652.70/17,125.94
  6. Step 6: Final answer
    x = 8,161.46

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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.