Home / 31,653.56-47,446.86-11,923.58

Finding the Fourth Proportional to 31,653.56, 47,446.86 and 11,923.58

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Solution

The fourth proportional to 31,653.56, 47,446.86 and 11,923.58 is: 17,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.56 : 47,446.86 = 11,923.58 : x
  2. Step 2: Convert to fraction form
    31,653.56/47,446.86 = 11,923.58/x
  3. Step 3: Cross multiply
    31,653.56x = 47,446.86 × 11,923.58
  4. Step 4: Simplify right side
    31,653.56x = 565,736,430.96
  5. Step 5: Solve for x
    x = 565,736,430.96/31,653.56
  6. Step 6: Final answer
    x = 17,872.76

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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.