Home / 22,903.26-31,369.62-21,558.30

Finding the Fourth Proportional to 22,903.26, 31,369.62 and 21,558.30

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Solution

The fourth proportional to 22,903.26, 31,369.62 and 21,558.30 is: 29,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.26 : 31,369.62 = 21,558.30 : x
  2. Step 2: Convert to fraction form
    22,903.26/31,369.62 = 21,558.30/x
  3. Step 3: Cross multiply
    22,903.26x = 31,369.62 × 21,558.30
  4. Step 4: Simplify right side
    22,903.26x = 676,275,678.85
  5. Step 5: Solve for x
    x = 676,275,678.85/22,903.26
  6. Step 6: Final answer
    x = 29,527.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.