Home / 19,161.94-28,740.48-14,238.76

Finding the Fourth Proportional to 19,161.94, 28,740.48 and 14,238.76

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Solution

The fourth proportional to 19,161.94, 28,740.48 and 14,238.76 is: 21,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.94 : 28,740.48 = 14,238.76 : x
  2. Step 2: Convert to fraction form
    19,161.94/28,740.48 = 14,238.76/x
  3. Step 3: Cross multiply
    19,161.94x = 28,740.48 × 14,238.76
  4. Step 4: Simplify right side
    19,161.94x = 409,228,797.00
  5. Step 5: Solve for x
    x = 409,228,797.00/19,161.94
  6. Step 6: Final answer
    x = 21,356.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.