Home / 22,923.36-31,641.84-13,976.64

Finding the Fourth Proportional to 22,923.36, 31,641.84 and 13,976.64

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Solution

The fourth proportional to 22,923.36, 31,641.84 and 13,976.64 is: 19,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,923.36 : 31,641.84 = 13,976.64 : x
  2. Step 2: Convert to fraction form
    22,923.36/31,641.84 = 13,976.64/x
  3. Step 3: Cross multiply
    22,923.36x = 31,641.84 × 13,976.64
  4. Step 4: Simplify right side
    22,923.36x = 442,246,606.62
  5. Step 5: Solve for x
    x = 442,246,606.62/22,923.36
  6. Step 6: Final answer
    x = 19,292.40

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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.