Home / 22,313.82-30,762.27-21,623.70

Finding the Fourth Proportional to 22,313.82, 30,762.27 and 21,623.70

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Solution

The fourth proportional to 22,313.82, 30,762.27 and 21,623.70 is: 29,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.82 : 30,762.27 = 21,623.70 : x
  2. Step 2: Convert to fraction form
    22,313.82/30,762.27 = 21,623.70/x
  3. Step 3: Cross multiply
    22,313.82x = 30,762.27 × 21,623.70
  4. Step 4: Simplify right side
    22,313.82x = 665,194,097.80
  5. Step 5: Solve for x
    x = 665,194,097.80/22,313.82
  6. Step 6: Final answer
    x = 29,810.86

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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.