Home / 22,765.47-31,432.53-18,998.37

Finding the Fourth Proportional to 22,765.47, 31,432.53 and 18,998.37

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Solution

The fourth proportional to 22,765.47, 31,432.53 and 18,998.37 is: 26,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.47 : 31,432.53 = 18,998.37 : x
  2. Step 2: Convert to fraction form
    22,765.47/31,432.53 = 18,998.37/x
  3. Step 3: Cross multiply
    22,765.47x = 31,432.53 × 18,998.37
  4. Step 4: Simplify right side
    22,765.47x = 597,166,834.98
  5. Step 5: Solve for x
    x = 597,166,834.98/22,765.47
  6. Step 6: Final answer
    x = 26,231.25

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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.