Home / 19,041.52-28,563.04-5,190.48

Finding the Fourth Proportional to 19,041.52, 28,563.04 and 5,190.48

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Solution

The fourth proportional to 19,041.52, 28,563.04 and 5,190.48 is: 7,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041.52 : 28,563.04 = 5,190.48 : x
  2. Step 2: Convert to fraction form
    19,041.52/28,563.04 = 5,190.48/x
  3. Step 3: Cross multiply
    19,041.52x = 28,563.04 × 5,190.48
  4. Step 4: Simplify right side
    19,041.52x = 148,255,887.86
  5. Step 5: Solve for x
    x = 148,255,887.86/19,041.52
  6. Step 6: Final answer
    x = 7,785.93

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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.