Home / 34,686.10-47,866.94-18,770.54

Finding the Fourth Proportional to 34,686.10, 47,866.94 and 18,770.54

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Solution

The fourth proportional to 34,686.10, 47,866.94 and 18,770.54 is: 25,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.10 : 47,866.94 = 18,770.54 : x
  2. Step 2: Convert to fraction form
    34,686.10/47,866.94 = 18,770.54/x
  3. Step 3: Cross multiply
    34,686.10x = 47,866.94 × 18,770.54
  4. Step 4: Simplify right side
    34,686.10x = 898,488,478.54
  5. Step 5: Solve for x
    x = 898,488,478.54/34,686.10
  6. Step 6: Final answer
    x = 25,903.42

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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.