Home / 20,586.23-30,805.53-17,822.41

Finding the Fourth Proportional to 20,586.23, 30,805.53 and 17,822.41

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Solution

The fourth proportional to 20,586.23, 30,805.53 and 17,822.41 is: 26,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586.23 : 30,805.53 = 17,822.41 : x
  2. Step 2: Convert to fraction form
    20,586.23/30,805.53 = 17,822.41/x
  3. Step 3: Cross multiply
    20,586.23x = 30,805.53 × 17,822.41
  4. Step 4: Simplify right side
    20,586.23x = 549,028,785.93
  5. Step 5: Solve for x
    x = 549,028,785.93/20,586.23
  6. Step 6: Final answer
    x = 26,669.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.