Home / 13,937.35-19,234.90-7,967.89

Finding the Fourth Proportional to 13,937.35, 19,234.90 and 7,967.89

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Solution

The fourth proportional to 13,937.35, 19,234.90 and 7,967.89 is: 10,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.35 : 19,234.90 = 7,967.89 : x
  2. Step 2: Convert to fraction form
    13,937.35/19,234.90 = 7,967.89/x
  3. Step 3: Cross multiply
    13,937.35x = 19,234.90 × 7,967.89
  4. Step 4: Simplify right side
    13,937.35x = 153,261,567.36
  5. Step 5: Solve for x
    x = 153,261,567.36/13,937.35
  6. Step 6: Final answer
    x = 10,996.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.