Home / 20,967.27-31,450.89-14,373.46

Finding the Fourth Proportional to 20,967.27, 31,450.89 and 14,373.46

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Solution

The fourth proportional to 20,967.27, 31,450.89 and 14,373.46 is: 21,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967.27 : 31,450.89 = 14,373.46 : x
  2. Step 2: Convert to fraction form
    20,967.27/31,450.89 = 14,373.46/x
  3. Step 3: Cross multiply
    20,967.27x = 31,450.89 × 14,373.46
  4. Step 4: Simplify right side
    20,967.27x = 452,058,109.38
  5. Step 5: Solve for x
    x = 452,058,109.38/20,967.27
  6. Step 6: Final answer
    x = 21,560.18

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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.