Home / 13,946.43-19,223.96-13,669.95

Finding the Fourth Proportional to 13,946.43, 19,223.96 and 13,669.95

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Solution

The fourth proportional to 13,946.43, 19,223.96 and 13,669.95 is: 18,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.43 : 19,223.96 = 13,669.95 : x
  2. Step 2: Convert to fraction form
    13,946.43/19,223.96 = 13,669.95/x
  3. Step 3: Cross multiply
    13,946.43x = 19,223.96 × 13,669.95
  4. Step 4: Simplify right side
    13,946.43x = 262,790,503.65
  5. Step 5: Solve for x
    x = 262,790,503.65/13,946.43
  6. Step 6: Final answer
    x = 18,842.85

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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.