Home / 34,103.15-47,062.26-18,995.66

Finding the Fourth Proportional to 34,103.15, 47,062.26 and 18,995.66

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Solution

The fourth proportional to 34,103.15, 47,062.26 and 18,995.66 is: 26,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,103.15 : 47,062.26 = 18,995.66 : x
  2. Step 2: Convert to fraction form
    34,103.15/47,062.26 = 18,995.66/x
  3. Step 3: Cross multiply
    34,103.15x = 47,062.26 × 18,995.66
  4. Step 4: Simplify right side
    34,103.15x = 893,978,454.48
  5. Step 5: Solve for x
    x = 893,978,454.48/34,103.15
  6. Step 6: Final answer
    x = 26,213.96

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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.