Home / 18,735.35-28,102.34-4,695.48

Finding the Fourth Proportional to 18,735.35, 28,102.34 and 4,695.48

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Solution

The fourth proportional to 18,735.35, 28,102.34 and 4,695.48 is: 7,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.35 : 28,102.34 = 4,695.48 : x
  2. Step 2: Convert to fraction form
    18,735.35/28,102.34 = 4,695.48/x
  3. Step 3: Cross multiply
    18,735.35x = 28,102.34 × 4,695.48
  4. Step 4: Simplify right side
    18,735.35x = 131,953,987.16
  5. Step 5: Solve for x
    x = 131,953,987.16/18,735.35
  6. Step 6: Final answer
    x = 7,043.05

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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.