Home / 22,313.26-30,784.62-15,606.46

Finding the Fourth Proportional to 22,313.26, 30,784.62 and 15,606.46

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Solution

The fourth proportional to 22,313.26, 30,784.62 and 15,606.46 is: 21,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.26 : 30,784.62 = 15,606.46 : x
  2. Step 2: Convert to fraction form
    22,313.26/30,784.62 = 15,606.46/x
  3. Step 3: Cross multiply
    22,313.26x = 30,784.62 × 15,606.46
  4. Step 4: Simplify right side
    22,313.26x = 480,438,940.65
  5. Step 5: Solve for x
    x = 480,438,940.65/22,313.26
  6. Step 6: Final answer
    x = 21,531.54

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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.