Home / 22,489.45-33,703.70-12,470.56

Finding the Fourth Proportional to 22,489.45, 33,703.70 and 12,470.56

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Solution

The fourth proportional to 22,489.45, 33,703.70 and 12,470.56 is: 18,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.45 : 33,703.70 = 12,470.56 : x
  2. Step 2: Convert to fraction form
    22,489.45/33,703.70 = 12,470.56/x
  3. Step 3: Cross multiply
    22,489.45x = 33,703.70 × 12,470.56
  4. Step 4: Simplify right side
    22,489.45x = 420,303,866.46
  5. Step 5: Solve for x
    x = 420,303,866.46/22,489.45
  6. Step 6: Final answer
    x = 18,688.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.