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Finding the Fourth Proportional to 18,922.01, 26,114.00 and 10,425.51

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Solution

The fourth proportional to 18,922.01, 26,114.00 and 10,425.51 is: 14,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.01 : 26,114.00 = 10,425.51 : x
  2. Step 2: Convert to fraction form
    18,922.01/26,114.00 = 10,425.51/x
  3. Step 3: Cross multiply
    18,922.01x = 26,114.00 × 10,425.51
  4. Step 4: Simplify right side
    18,922.01x = 272,251,716.01
  5. Step 5: Solve for x
    x = 272,251,716.01/18,922.01
  6. Step 6: Final answer
    x = 14,388.10

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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.