Home / 17,138.16-25,703.64-6,604.56

Finding the Fourth Proportional to 17,138.16, 25,703.64 and 6,604.56

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Solution

The fourth proportional to 17,138.16, 25,703.64 and 6,604.56 is: 9,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.16 : 25,703.64 = 6,604.56 : x
  2. Step 2: Convert to fraction form
    17,138.16/25,703.64 = 6,604.56/x
  3. Step 3: Cross multiply
    17,138.16x = 25,703.64 × 6,604.56
  4. Step 4: Simplify right side
    17,138.16x = 169,761,232.60
  5. Step 5: Solve for x
    x = 169,761,232.60/17,138.16
  6. Step 6: Final answer
    x = 9,905.45

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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.