Home / 22,550.08-31,120.32-14,169.28

Finding the Fourth Proportional to 22,550.08, 31,120.32 and 14,169.28

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Solution

The fourth proportional to 22,550.08, 31,120.32 and 14,169.28 is: 19,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,550.08 : 31,120.32 = 14,169.28 : x
  2. Step 2: Convert to fraction form
    22,550.08/31,120.32 = 14,169.28/x
  3. Step 3: Cross multiply
    22,550.08x = 31,120.32 × 14,169.28
  4. Step 4: Simplify right side
    22,550.08x = 440,952,527.77
  5. Step 5: Solve for x
    x = 440,952,527.77/22,550.08
  6. Step 6: Final answer
    x = 19,554.37

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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.