Home / 22,922.36-31,640.46-13,975.64

Finding the Fourth Proportional to 22,922.36, 31,640.46 and 13,975.64

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Solution

The fourth proportional to 22,922.36, 31,640.46 and 13,975.64 is: 19,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,922.36 : 31,640.46 = 13,975.64 : x
  2. Step 2: Convert to fraction form
    22,922.36/31,640.46 = 13,975.64/x
  3. Step 3: Cross multiply
    22,922.36x = 31,640.46 × 13,975.64
  4. Step 4: Simplify right side
    22,922.36x = 442,195,678.39
  5. Step 5: Solve for x
    x = 442,195,678.39/22,922.36
  6. Step 6: Final answer
    x = 19,291.02

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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.