Home / 19,359.11-26,723.84-16,390.46

Finding the Fourth Proportional to 19,359.11, 26,723.84 and 16,390.46

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Solution

The fourth proportional to 19,359.11, 26,723.84 and 16,390.46 is: 22,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.11 : 26,723.84 = 16,390.46 : x
  2. Step 2: Convert to fraction form
    19,359.11/26,723.84 = 16,390.46/x
  3. Step 3: Cross multiply
    19,359.11x = 26,723.84 × 16,390.46
  4. Step 4: Simplify right side
    19,359.11x = 438,015,814.99
  5. Step 5: Solve for x
    x = 438,015,814.99/19,359.11
  6. Step 6: Final answer
    x = 22,625.83

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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.