Home / 38,818.07-58,212.79-13,851.44

Finding the Fourth Proportional to 38,818.07, 58,212.79 and 13,851.44

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Solution

The fourth proportional to 38,818.07, 58,212.79 and 13,851.44 is: 20,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.07 : 58,212.79 = 13,851.44 : x
  2. Step 2: Convert to fraction form
    38,818.07/58,212.79 = 13,851.44/x
  3. Step 3: Cross multiply
    38,818.07x = 58,212.79 × 13,851.44
  4. Step 4: Simplify right side
    38,818.07x = 806,330,967.92
  5. Step 5: Solve for x
    x = 806,330,967.92/38,818.07
  6. Step 6: Final answer
    x = 20,772.05

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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.