Home / 19,940.45-29,903.99-10,073.43

Finding the Fourth Proportional to 19,940.45, 29,903.99 and 10,073.43

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Solution

The fourth proportional to 19,940.45, 29,903.99 and 10,073.43 is: 15,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.45 : 29,903.99 = 10,073.43 : x
  2. Step 2: Convert to fraction form
    19,940.45/29,903.99 = 10,073.43/x
  3. Step 3: Cross multiply
    19,940.45x = 29,903.99 × 10,073.43
  4. Step 4: Simplify right side
    19,940.45x = 301,235,699.62
  5. Step 5: Solve for x
    x = 301,235,699.62/19,940.45
  6. Step 6: Final answer
    x = 15,106.77

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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.