Home / 18,897.04-26,076.22-10,939.80

Finding the Fourth Proportional to 18,897.04, 26,076.22 and 10,939.80

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Solution

The fourth proportional to 18,897.04, 26,076.22 and 10,939.80 is: 15,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.04 : 26,076.22 = 10,939.80 : x
  2. Step 2: Convert to fraction form
    18,897.04/26,076.22 = 10,939.80/x
  3. Step 3: Cross multiply
    18,897.04x = 26,076.22 × 10,939.80
  4. Step 4: Simplify right side
    18,897.04x = 285,268,604.21
  5. Step 5: Solve for x
    x = 285,268,604.21/18,897.04
  6. Step 6: Final answer
    x = 15,095.94

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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.