Home / 13,633.34-20,440.40-5,306.33

Finding the Fourth Proportional to 13,633.34, 20,440.40 and 5,306.33

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Solution

The fourth proportional to 13,633.34, 20,440.40 and 5,306.33 is: 7,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.34 : 20,440.40 = 5,306.33 : x
  2. Step 2: Convert to fraction form
    13,633.34/20,440.40 = 5,306.33/x
  3. Step 3: Cross multiply
    13,633.34x = 20,440.40 × 5,306.33
  4. Step 4: Simplify right side
    13,633.34x = 108,463,379.00
  5. Step 5: Solve for x
    x = 108,463,379.00/13,633.34
  6. Step 6: Final answer
    x = 7,955.75

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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.