Home / 31,698.14-47,540.32-9,505.55

Finding the Fourth Proportional to 31,698.14, 47,540.32 and 9,505.55

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Solution

The fourth proportional to 31,698.14, 47,540.32 and 9,505.55 is: 14,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,698.14 : 47,540.32 = 9,505.55 : x
  2. Step 2: Convert to fraction form
    31,698.14/47,540.32 = 9,505.55/x
  3. Step 3: Cross multiply
    31,698.14x = 47,540.32 × 9,505.55
  4. Step 4: Simplify right side
    31,698.14x = 451,896,983.86
  5. Step 5: Solve for x
    x = 451,896,983.86/31,698.14
  6. Step 6: Final answer
    x = 14,256.26

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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.