Home / 20,695.70-31,048.37-5,904.82

Finding the Fourth Proportional to 20,695.70, 31,048.37 and 5,904.82

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Solution

The fourth proportional to 20,695.70, 31,048.37 and 5,904.82 is: 8,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.70 : 31,048.37 = 5,904.82 : x
  2. Step 2: Convert to fraction form
    20,695.70/31,048.37 = 5,904.82/x
  3. Step 3: Cross multiply
    20,695.70x = 31,048.37 × 5,904.82
  4. Step 4: Simplify right side
    20,695.70x = 183,335,036.14
  5. Step 5: Solve for x
    x = 183,335,036.14/20,695.70
  6. Step 6: Final answer
    x = 8,858.61

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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.