Home / 19,225.47-28,838.22-7,542.03

Finding the Fourth Proportional to 19,225.47, 28,838.22 and 7,542.03

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Solution

The fourth proportional to 19,225.47, 28,838.22 and 7,542.03 is: 11,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.47 : 28,838.22 = 7,542.03 : x
  2. Step 2: Convert to fraction form
    19,225.47/28,838.22 = 7,542.03/x
  3. Step 3: Cross multiply
    19,225.47x = 28,838.22 × 7,542.03
  4. Step 4: Simplify right side
    19,225.47x = 217,498,720.39
  5. Step 5: Solve for x
    x = 217,498,720.39/19,225.47
  6. Step 6: Final answer
    x = 11,313.05

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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.