Home / 22,723.47-31,281.80-18,738.27

Finding the Fourth Proportional to 22,723.47, 31,281.80 and 18,738.27

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Solution

The fourth proportional to 22,723.47, 31,281.80 and 18,738.27 is: 25,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.47 : 31,281.80 = 18,738.27 : x
  2. Step 2: Convert to fraction form
    22,723.47/31,281.80 = 18,738.27/x
  3. Step 3: Cross multiply
    22,723.47x = 31,281.80 × 18,738.27
  4. Step 4: Simplify right side
    22,723.47x = 586,166,720.79
  5. Step 5: Solve for x
    x = 586,166,720.79/22,723.47
  6. Step 6: Final answer
    x = 25,795.65

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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.