Home / 22,313.25-30,789.99-13,360.52

Finding the Fourth Proportional to 22,313.25, 30,789.99 and 13,360.52

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Solution

The fourth proportional to 22,313.25, 30,789.99 and 13,360.52 is: 18,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.25 : 30,789.99 = 13,360.52 : x
  2. Step 2: Convert to fraction form
    22,313.25/30,789.99 = 13,360.52/x
  3. Step 3: Cross multiply
    22,313.25x = 30,789.99 × 13,360.52
  4. Step 4: Simplify right side
    22,313.25x = 411,370,123.24
  5. Step 5: Solve for x
    x = 411,370,123.24/22,313.25
  6. Step 6: Final answer
    x = 18,436.14

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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.