Home / 34,644.66-47,809.67-18,729.11

Finding the Fourth Proportional to 34,644.66, 47,809.67 and 18,729.11

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Solution

The fourth proportional to 34,644.66, 47,809.67 and 18,729.11 is: 25,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,644.66 : 47,809.67 = 18,729.11 : x
  2. Step 2: Convert to fraction form
    34,644.66/47,809.67 = 18,729.11/x
  3. Step 3: Cross multiply
    34,644.66x = 47,809.67 × 18,729.11
  4. Step 4: Simplify right side
    34,644.66x = 895,432,235.80
  5. Step 5: Solve for x
    x = 895,432,235.80/34,644.66
  6. Step 6: Final answer
    x = 25,846.18

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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.