Home / 20,705.03-31,010.23-16,252.56

Finding the Fourth Proportional to 20,705.03, 31,010.23 and 16,252.56

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Solution

The fourth proportional to 20,705.03, 31,010.23 and 16,252.56 is: 24,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705.03 : 31,010.23 = 16,252.56 : x
  2. Step 2: Convert to fraction form
    20,705.03/31,010.23 = 16,252.56/x
  3. Step 3: Cross multiply
    20,705.03x = 31,010.23 × 16,252.56
  4. Step 4: Simplify right side
    20,705.03x = 503,995,623.69
  5. Step 5: Solve for x
    x = 503,995,623.69/20,705.03
  6. Step 6: Final answer
    x = 24,341.70

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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.