Home / 22,945.86-31,683.96-18,697.56

Finding the Fourth Proportional to 22,945.86, 31,683.96 and 18,697.56

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Solution

The fourth proportional to 22,945.86, 31,683.96 and 18,697.56 is: 25,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.86 : 31,683.96 = 18,697.56 : x
  2. Step 2: Convert to fraction form
    22,945.86/31,683.96 = 18,697.56/x
  3. Step 3: Cross multiply
    22,945.86x = 31,683.96 × 18,697.56
  4. Step 4: Simplify right side
    22,945.86x = 592,412,743.14
  5. Step 5: Solve for x
    x = 592,412,743.14/22,945.86
  6. Step 6: Final answer
    x = 25,817.85

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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.