Home / 39,997.68-60,009.48-13,702.65

Finding the Fourth Proportional to 39,997.68, 60,009.48 and 13,702.65

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Solution

The fourth proportional to 39,997.68, 60,009.48 and 13,702.65 is: 20,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,997.68 : 60,009.48 = 13,702.65 : x
  2. Step 2: Convert to fraction form
    39,997.68/60,009.48 = 13,702.65/x
  3. Step 3: Cross multiply
    39,997.68x = 60,009.48 × 13,702.65
  4. Step 4: Simplify right side
    39,997.68x = 822,288,901.12
  5. Step 5: Solve for x
    x = 822,288,901.12/39,997.68
  6. Step 6: Final answer
    x = 20,558.41

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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.