Home / 13,923.72-20,885.57-5,036.97

Finding the Fourth Proportional to 13,923.72, 20,885.57 and 5,036.97

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Solution

The fourth proportional to 13,923.72, 20,885.57 and 5,036.97 is: 7,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.72 : 20,885.57 = 5,036.97 : x
  2. Step 2: Convert to fraction form
    13,923.72/20,885.57 = 5,036.97/x
  3. Step 3: Cross multiply
    13,923.72x = 20,885.57 × 5,036.97
  4. Step 4: Simplify right side
    13,923.72x = 105,200,061.55
  5. Step 5: Solve for x
    x = 105,200,061.55/13,923.72
  6. Step 6: Final answer
    x = 7,555.46

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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.