Home / 18,369.85-25,350.68-10,411.91

Finding the Fourth Proportional to 18,369.85, 25,350.68 and 10,411.91

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Solution

The fourth proportional to 18,369.85, 25,350.68 and 10,411.91 is: 14,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.85 : 25,350.68 = 10,411.91 : x
  2. Step 2: Convert to fraction form
    18,369.85/25,350.68 = 10,411.91/x
  3. Step 3: Cross multiply
    18,369.85x = 25,350.68 × 10,411.91
  4. Step 4: Simplify right side
    18,369.85x = 263,948,897.88
  5. Step 5: Solve for x
    x = 263,948,897.88/18,369.85
  6. Step 6: Final answer
    x = 14,368.59

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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.