Home / 22,673.72-31,213.14-18,688.52

Finding the Fourth Proportional to 22,673.72, 31,213.14 and 18,688.52

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Solution

The fourth proportional to 22,673.72, 31,213.14 and 18,688.52 is: 25,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,673.72 : 31,213.14 = 18,688.52 : x
  2. Step 2: Convert to fraction form
    22,673.72/31,213.14 = 18,688.52/x
  3. Step 3: Cross multiply
    22,673.72x = 31,213.14 × 18,688.52
  4. Step 4: Simplify right side
    22,673.72x = 583,327,391.15
  5. Step 5: Solve for x
    x = 583,327,391.15/22,673.72
  6. Step 6: Final answer
    x = 25,727.03

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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.