Home / 18,940.13-26,126.53-11,854.25

Finding the Fourth Proportional to 18,940.13, 26,126.53 and 11,854.25

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Solution

The fourth proportional to 18,940.13, 26,126.53 and 11,854.25 is: 16,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.13 : 26,126.53 = 11,854.25 : x
  2. Step 2: Convert to fraction form
    18,940.13/26,126.53 = 11,854.25/x
  3. Step 3: Cross multiply
    18,940.13x = 26,126.53 × 11,854.25
  4. Step 4: Simplify right side
    18,940.13x = 309,710,287.62
  5. Step 5: Solve for x
    x = 309,710,287.62/18,940.13
  6. Step 6: Final answer
    x = 16,352.07

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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.