Home / 19,535.50-29,272.53-15,103.99

Finding the Fourth Proportional to 19,535.50, 29,272.53 and 15,103.99

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Solution

The fourth proportional to 19,535.50, 29,272.53 and 15,103.99 is: 22,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.50 : 29,272.53 = 15,103.99 : x
  2. Step 2: Convert to fraction form
    19,535.50/29,272.53 = 15,103.99/x
  3. Step 3: Cross multiply
    19,535.50x = 29,272.53 × 15,103.99
  4. Step 4: Simplify right side
    19,535.50x = 442,131,854.03
  5. Step 5: Solve for x
    x = 442,131,854.03/19,535.50
  6. Step 6: Final answer
    x = 22,632.23

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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.