Home / 39,739.01-59,614.04-13,436.69

Finding the Fourth Proportional to 39,739.01, 59,614.04 and 13,436.69

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Solution

The fourth proportional to 39,739.01, 59,614.04 and 13,436.69 is: 20,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.01 : 59,614.04 = 13,436.69 : x
  2. Step 2: Convert to fraction form
    39,739.01/59,614.04 = 13,436.69/x
  3. Step 3: Cross multiply
    39,739.01x = 59,614.04 × 13,436.69
  4. Step 4: Simplify right side
    39,739.01x = 801,015,110.65
  5. Step 5: Solve for x
    x = 801,015,110.65/39,739.01
  6. Step 6: Final answer
    x = 20,156.90

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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.