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Finding the Fourth Proportional to 18,710.22, 25,824.54 and 11,632.44

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Solution

The fourth proportional to 18,710.22, 25,824.54 and 11,632.44 is: 16,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.22 : 25,824.54 = 11,632.44 : x
  2. Step 2: Convert to fraction form
    18,710.22/25,824.54 = 11,632.44/x
  3. Step 3: Cross multiply
    18,710.22x = 25,824.54 × 11,632.44
  4. Step 4: Simplify right side
    18,710.22x = 300,402,412.08
  5. Step 5: Solve for x
    x = 300,402,412.08/18,710.22
  6. Step 6: Final answer
    x = 16,055.53

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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.