Home / 22,550.14-31,116.38-12,477.18

Finding the Fourth Proportional to 22,550.14, 31,116.38 and 12,477.18

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Solution

The fourth proportional to 22,550.14, 31,116.38 and 12,477.18 is: 17,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,550.14 : 31,116.38 = 12,477.18 : x
  2. Step 2: Convert to fraction form
    22,550.14/31,116.38 = 12,477.18/x
  3. Step 3: Cross multiply
    22,550.14x = 31,116.38 × 12,477.18
  4. Step 4: Simplify right side
    22,550.14x = 388,244,674.21
  5. Step 5: Solve for x
    x = 388,244,674.21/22,550.14
  6. Step 6: Final answer
    x = 17,216.95

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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.