Home / 17,309.70-25,964.55-6,921.45

Finding the Fourth Proportional to 17,309.70, 25,964.55 and 6,921.45

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Solution

The fourth proportional to 17,309.70, 25,964.55 and 6,921.45 is: 10,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.70 : 25,964.55 = 6,921.45 : x
  2. Step 2: Convert to fraction form
    17,309.70/25,964.55 = 6,921.45/x
  3. Step 3: Cross multiply
    17,309.70x = 25,964.55 × 6,921.45
  4. Step 4: Simplify right side
    17,309.70x = 179,712,334.60
  5. Step 5: Solve for x
    x = 179,712,334.60/17,309.70
  6. Step 6: Final answer
    x = 10,382.18

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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.