Home / 19,201.64-26,501.70-11,243.40

Finding the Fourth Proportional to 19,201.64, 26,501.70 and 11,243.40

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Solution

The fourth proportional to 19,201.64, 26,501.70 and 11,243.40 is: 15,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.64 : 26,501.70 = 11,243.40 : x
  2. Step 2: Convert to fraction form
    19,201.64/26,501.70 = 11,243.40/x
  3. Step 3: Cross multiply
    19,201.64x = 26,501.70 × 11,243.40
  4. Step 4: Simplify right side
    19,201.64x = 297,969,213.78
  5. Step 5: Solve for x
    x = 297,969,213.78/19,201.64
  6. Step 6: Final answer
    x = 15,517.90

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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.