Home / 17,331.32-25,998.80-5,645.45

Finding the Fourth Proportional to 17,331.32, 25,998.80 and 5,645.45

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Solution

The fourth proportional to 17,331.32, 25,998.80 and 5,645.45 is: 8,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.32 : 25,998.80 = 5,645.45 : x
  2. Step 2: Convert to fraction form
    17,331.32/25,998.80 = 5,645.45/x
  3. Step 3: Cross multiply
    17,331.32x = 25,998.80 × 5,645.45
  4. Step 4: Simplify right side
    17,331.32x = 146,774,767.24
  5. Step 5: Solve for x
    x = 146,774,767.24/17,331.32
  6. Step 6: Final answer
    x = 8,468.76

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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.