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Finding the Fourth Proportional to 18,858.01, 26,018.20 and 10,897.33

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Solution

The fourth proportional to 18,858.01, 26,018.20 and 10,897.33 is: 15,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.01 : 26,018.20 = 10,897.33 : x
  2. Step 2: Convert to fraction form
    18,858.01/26,018.20 = 10,897.33/x
  3. Step 3: Cross multiply
    18,858.01x = 26,018.20 × 10,897.33
  4. Step 4: Simplify right side
    18,858.01x = 283,528,856.92
  5. Step 5: Solve for x
    x = 283,528,856.92/18,858.01
  6. Step 6: Final answer
    x = 15,034.93

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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.