Home / 18,156.22-27,208.80-14,441.98

Finding the Fourth Proportional to 18,156.22, 27,208.80 and 14,441.98

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Solution

The fourth proportional to 18,156.22, 27,208.80 and 14,441.98 is: 21,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.22 : 27,208.80 = 14,441.98 : x
  2. Step 2: Convert to fraction form
    18,156.22/27,208.80 = 14,441.98/x
  3. Step 3: Cross multiply
    18,156.22x = 27,208.80 × 14,441.98
  4. Step 4: Simplify right side
    18,156.22x = 392,948,945.42
  5. Step 5: Solve for x
    x = 392,948,945.42/18,156.22
  6. Step 6: Final answer
    x = 21,642.66

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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.