Home / 19,106.87-26,380.33-14,622.61

Finding the Fourth Proportional to 19,106.87, 26,380.33 and 14,622.61

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Solution

The fourth proportional to 19,106.87, 26,380.33 and 14,622.61 is: 20,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.87 : 26,380.33 = 14,622.61 : x
  2. Step 2: Convert to fraction form
    19,106.87/26,380.33 = 14,622.61/x
  3. Step 3: Cross multiply
    19,106.87x = 26,380.33 × 14,622.61
  4. Step 4: Simplify right side
    19,106.87x = 385,749,277.26
  5. Step 5: Solve for x
    x = 385,749,277.26/19,106.87
  6. Step 6: Final answer
    x = 20,189.04

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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.