Home / 18,628.48-25,706.88-10,244.80

Finding the Fourth Proportional to 18,628.48, 25,706.88 and 10,244.80

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Solution

The fourth proportional to 18,628.48, 25,706.88 and 10,244.80 is: 14,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.48 : 25,706.88 = 10,244.80 : x
  2. Step 2: Convert to fraction form
    18,628.48/25,706.88 = 10,244.80/x
  3. Step 3: Cross multiply
    18,628.48x = 25,706.88 × 10,244.80
  4. Step 4: Simplify right side
    18,628.48x = 263,361,844.22
  5. Step 5: Solve for x
    x = 263,361,844.22/18,628.48
  6. Step 6: Final answer
    x = 14,137.59

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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.