Home / 18,940.01-26,137.39-10,442.47

Finding the Fourth Proportional to 18,940.01, 26,137.39 and 10,442.47

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Solution

The fourth proportional to 18,940.01, 26,137.39 and 10,442.47 is: 14,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.01 : 26,137.39 = 10,442.47 : x
  2. Step 2: Convert to fraction form
    18,940.01/26,137.39 = 10,442.47/x
  3. Step 3: Cross multiply
    18,940.01x = 26,137.39 × 10,442.47
  4. Step 4: Simplify right side
    18,940.01x = 272,938,780.27
  5. Step 5: Solve for x
    x = 272,938,780.27/18,940.01
  6. Step 6: Final answer
    x = 14,410.70

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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.