Home / 22,722.50-31,346.11-14,109.37

Finding the Fourth Proportional to 22,722.50, 31,346.11 and 14,109.37

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Solution

The fourth proportional to 22,722.50, 31,346.11 and 14,109.37 is: 19,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.50 : 31,346.11 = 14,109.37 : x
  2. Step 2: Convert to fraction form
    22,722.50/31,346.11 = 14,109.37/x
  3. Step 3: Cross multiply
    22,722.50x = 31,346.11 × 14,109.37
  4. Step 4: Simplify right side
    22,722.50x = 442,273,864.05
  5. Step 5: Solve for x
    x = 442,273,864.05/22,722.50
  6. Step 6: Final answer
    x = 19,464.14

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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.