Home / 19,425.87-29,144.95-6,945.62

Finding the Fourth Proportional to 19,425.87, 29,144.95 and 6,945.62

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Solution

The fourth proportional to 19,425.87, 29,144.95 and 6,945.62 is: 10,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.87 : 29,144.95 = 6,945.62 : x
  2. Step 2: Convert to fraction form
    19,425.87/29,144.95 = 6,945.62/x
  3. Step 3: Cross multiply
    19,425.87x = 29,144.95 × 6,945.62
  4. Step 4: Simplify right side
    19,425.87x = 202,429,584.53
  5. Step 5: Solve for x
    x = 202,429,584.53/19,425.87
  6. Step 6: Final answer
    x = 10,420.62

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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.