Home / 19,204.80-26,523-15,629.04

Finding the Fourth Proportional to 19,204.80, 26,523 and 15,629.04

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Solution

The fourth proportional to 19,204.80, 26,523 and 15,629.04 is: 21,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.80 : 26,523 = 15,629.04 : x
  2. Step 2: Convert to fraction form
    19,204.80/26,523 = 15,629.04/x
  3. Step 3: Cross multiply
    19,204.80x = 26,523 × 15,629.04
  4. Step 4: Simplify right side
    19,204.80x = 414,529,027.92
  5. Step 5: Solve for x
    x = 414,529,027.92/19,204.80
  6. Step 6: Final answer
    x = 21,584.66

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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.