Home / 38,423.57-57,636.23-11,770.11

Finding the Fourth Proportional to 38,423.57, 57,636.23 and 11,770.11

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Solution

The fourth proportional to 38,423.57, 57,636.23 and 11,770.11 is: 17,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.57 : 57,636.23 = 11,770.11 : x
  2. Step 2: Convert to fraction form
    38,423.57/57,636.23 = 11,770.11/x
  3. Step 3: Cross multiply
    38,423.57x = 57,636.23 × 11,770.11
  4. Step 4: Simplify right side
    38,423.57x = 678,384,708.23
  5. Step 5: Solve for x
    x = 678,384,708.23/38,423.57
  6. Step 6: Final answer
    x = 17,655.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.