Home / 31,524.39-47,297.88-13,505.06

Finding the Fourth Proportional to 31,524.39, 47,297.88 and 13,505.06

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Solution

The fourth proportional to 31,524.39, 47,297.88 and 13,505.06 is: 20,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.39 : 47,297.88 = 13,505.06 : x
  2. Step 2: Convert to fraction form
    31,524.39/47,297.88 = 13,505.06/x
  3. Step 3: Cross multiply
    31,524.39x = 47,297.88 × 13,505.06
  4. Step 4: Simplify right side
    31,524.39x = 638,760,707.27
  5. Step 5: Solve for x
    x = 638,760,707.27/31,524.39
  6. Step 6: Final answer
    x = 20,262.43

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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.