Home / 38,910.07-58,377.35-13,933.09

Finding the Fourth Proportional to 38,910.07, 58,377.35 and 13,933.09

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Solution

The fourth proportional to 38,910.07, 58,377.35 and 13,933.09 is: 20,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.07 : 58,377.35 = 13,933.09 : x
  2. Step 2: Convert to fraction form
    38,910.07/58,377.35 = 13,933.09/x
  3. Step 3: Cross multiply
    38,910.07x = 58,377.35 × 13,933.09
  4. Step 4: Simplify right side
    38,910.07x = 813,376,871.51
  5. Step 5: Solve for x
    x = 813,376,871.51/38,910.07
  6. Step 6: Final answer
    x = 20,904.02

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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.