Home / 22,278.40-33,423.36-10,604.80

Finding the Fourth Proportional to 22,278.40, 33,423.36 and 10,604.80

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Solution

The fourth proportional to 22,278.40, 33,423.36 and 10,604.80 is: 15,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.40 : 33,423.36 = 10,604.80 : x
  2. Step 2: Convert to fraction form
    22,278.40/33,423.36 = 10,604.80/x
  3. Step 3: Cross multiply
    22,278.40x = 33,423.36 × 10,604.80
  4. Step 4: Simplify right side
    22,278.40x = 354,448,048.13
  5. Step 5: Solve for x
    x = 354,448,048.13/22,278.40
  6. Step 6: Final answer
    x = 15,909.94

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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.