Home / 16,995.36-25,495.20-5,309.28

Finding the Fourth Proportional to 16,995.36, 25,495.20 and 5,309.28

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Solution

The fourth proportional to 16,995.36, 25,495.20 and 5,309.28 is: 7,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.36 : 25,495.20 = 5,309.28 : x
  2. Step 2: Convert to fraction form
    16,995.36/25,495.20 = 5,309.28/x
  3. Step 3: Cross multiply
    16,995.36x = 25,495.20 × 5,309.28
  4. Step 4: Simplify right side
    16,995.36x = 135,361,155.46
  5. Step 5: Solve for x
    x = 135,361,155.46/16,995.36
  6. Step 6: Final answer
    x = 7,964.59

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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.