Home / 18,748.01-28,121.94-5,600.36

Finding the Fourth Proportional to 18,748.01, 28,121.94 and 5,600.36

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Solution

The fourth proportional to 18,748.01, 28,121.94 and 5,600.36 is: 8,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.01 : 28,121.94 = 5,600.36 : x
  2. Step 2: Convert to fraction form
    18,748.01/28,121.94 = 5,600.36/x
  3. Step 3: Cross multiply
    18,748.01x = 28,121.94 × 5,600.36
  4. Step 4: Simplify right side
    18,748.01x = 157,492,987.90
  5. Step 5: Solve for x
    x = 157,492,987.90/18,748.01
  6. Step 6: Final answer
    x = 8,400.52

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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.