Home / 18,953.86-26,156.50-10,996.22

Finding the Fourth Proportional to 18,953.86, 26,156.50 and 10,996.22

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Solution

The fourth proportional to 18,953.86, 26,156.50 and 10,996.22 is: 15,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.86 : 26,156.50 = 10,996.22 : x
  2. Step 2: Convert to fraction form
    18,953.86/26,156.50 = 10,996.22/x
  3. Step 3: Cross multiply
    18,953.86x = 26,156.50 × 10,996.22
  4. Step 4: Simplify right side
    18,953.86x = 287,622,628.43
  5. Step 5: Solve for x
    x = 287,622,628.43/18,953.86
  6. Step 6: Final answer
    x = 15,174.88

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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.