Home / 19,143.94-28,682.93-14,935.50

Finding the Fourth Proportional to 19,143.94, 28,682.93 and 14,935.50

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Solution

The fourth proportional to 19,143.94, 28,682.93 and 14,935.50 is: 22,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.94 : 28,682.93 = 14,935.50 : x
  2. Step 2: Convert to fraction form
    19,143.94/28,682.93 = 14,935.50/x
  3. Step 3: Cross multiply
    19,143.94x = 28,682.93 × 14,935.50
  4. Step 4: Simplify right side
    19,143.94x = 428,393,973.44
  5. Step 5: Solve for x
    x = 428,393,973.44/19,143.94
  6. Step 6: Final answer
    x = 22,377.53

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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.