Home / 39,654.48-59,474.96-12,999.94

Finding the Fourth Proportional to 39,654.48, 59,474.96 and 12,999.94

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Solution

The fourth proportional to 39,654.48, 59,474.96 and 12,999.94 is: 19,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,654.48 : 59,474.96 = 12,999.94 : x
  2. Step 2: Convert to fraction form
    39,654.48/59,474.96 = 12,999.94/x
  3. Step 3: Cross multiply
    39,654.48x = 59,474.96 × 12,999.94
  4. Step 4: Simplify right side
    39,654.48x = 773,170,911.50
  5. Step 5: Solve for x
    x = 773,170,911.50/39,654.48
  6. Step 6: Final answer
    x = 19,497.69

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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.