Home / 34,694.01-47,877.66-18,778.77

Finding the Fourth Proportional to 34,694.01, 47,877.66 and 18,778.77

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Solution

The fourth proportional to 34,694.01, 47,877.66 and 18,778.77 is: 25,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.01 : 47,877.66 = 18,778.77 : x
  2. Step 2: Convert to fraction form
    34,694.01/47,877.66 = 18,778.77/x
  3. Step 3: Cross multiply
    34,694.01x = 47,877.66 × 18,778.77
  4. Step 4: Simplify right side
    34,694.01x = 899,083,565.28
  5. Step 5: Solve for x
    x = 899,083,565.28/34,694.01
  6. Step 6: Final answer
    x = 25,914.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.