Home / 20,242.37-27,920.00-17,548.77

Finding the Fourth Proportional to 20,242.37, 27,920.00 and 17,548.77

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Solution

The fourth proportional to 20,242.37, 27,920.00 and 17,548.77 is: 24,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.37 : 27,920.00 = 17,548.77 : x
  2. Step 2: Convert to fraction form
    20,242.37/27,920.00 = 17,548.77/x
  3. Step 3: Cross multiply
    20,242.37x = 27,920.00 × 17,548.77
  4. Step 4: Simplify right side
    20,242.37x = 489,961,617.39
  5. Step 5: Solve for x
    x = 489,961,617.39/20,242.37
  6. Step 6: Final answer
    x = 24,204.76

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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.