Home / 17,869.81-24,644.20-11,156.06

Finding the Fourth Proportional to 17,869.81, 24,644.20 and 11,156.06

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Solution

The fourth proportional to 17,869.81, 24,644.20 and 11,156.06 is: 15,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.81 : 24,644.20 = 11,156.06 : x
  2. Step 2: Convert to fraction form
    17,869.81/24,644.20 = 11,156.06/x
  3. Step 3: Cross multiply
    17,869.81x = 24,644.20 × 11,156.06
  4. Step 4: Simplify right side
    17,869.81x = 274,932,173.85
  5. Step 5: Solve for x
    x = 274,932,173.85/17,869.81
  6. Step 6: Final answer
    x = 15,385.29

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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.