Home / 22,009.18-30,372.53-11,937.86

Finding the Fourth Proportional to 22,009.18, 30,372.53 and 11,937.86

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Solution

The fourth proportional to 22,009.18, 30,372.53 and 11,937.86 is: 16,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.18 : 30,372.53 = 11,937.86 : x
  2. Step 2: Convert to fraction form
    22,009.18/30,372.53 = 11,937.86/x
  3. Step 3: Cross multiply
    22,009.18x = 30,372.53 × 11,937.86
  4. Step 4: Simplify right side
    22,009.18x = 362,583,010.99
  5. Step 5: Solve for x
    x = 362,583,010.99/22,009.18
  6. Step 6: Final answer
    x = 16,474.17

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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.