Home / 19,455.20-26,816.76-16,896.41

Finding the Fourth Proportional to 19,455.20, 26,816.76 and 16,896.41

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Solution

The fourth proportional to 19,455.20, 26,816.76 and 16,896.41 is: 23,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.20 : 26,816.76 = 16,896.41 : x
  2. Step 2: Convert to fraction form
    19,455.20/26,816.76 = 16,896.41/x
  3. Step 3: Cross multiply
    19,455.20x = 26,816.76 × 16,896.41
  4. Step 4: Simplify right side
    19,455.20x = 453,106,837.75
  5. Step 5: Solve for x
    x = 453,106,837.75/19,455.20
  6. Step 6: Final answer
    x = 23,289.76

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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.