Home / 19,415.52-26,776.94-16,405.41

Finding the Fourth Proportional to 19,415.52, 26,776.94 and 16,405.41

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Solution

The fourth proportional to 19,415.52, 26,776.94 and 16,405.41 is: 22,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.52 : 26,776.94 = 16,405.41 : x
  2. Step 2: Convert to fraction form
    19,415.52/26,776.94 = 16,405.41/x
  3. Step 3: Cross multiply
    19,415.52x = 26,776.94 × 16,405.41
  4. Step 4: Simplify right side
    19,415.52x = 439,286,597.22
  5. Step 5: Solve for x
    x = 439,286,597.22/19,415.52
  6. Step 6: Final answer
    x = 22,625.54

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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.