Home / 34,680.15-47,858.45-18,764.46

Finding the Fourth Proportional to 34,680.15, 47,858.45 and 18,764.46

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Solution

The fourth proportional to 34,680.15, 47,858.45 and 18,764.46 is: 25,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.15 : 47,858.45 = 18,764.46 : x
  2. Step 2: Convert to fraction form
    34,680.15/47,858.45 = 18,764.46/x
  3. Step 3: Cross multiply
    34,680.15x = 47,858.45 × 18,764.46
  4. Step 4: Simplify right side
    34,680.15x = 898,037,876.86
  5. Step 5: Solve for x
    x = 898,037,876.86/34,680.15
  6. Step 6: Final answer
    x = 25,894.87

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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.