Home / 20,723.44-28,598.36-11,292.01

Finding the Fourth Proportional to 20,723.44, 28,598.36 and 11,292.01

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Solution

The fourth proportional to 20,723.44, 28,598.36 and 11,292.01 is: 15,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.44 : 28,598.36 = 11,292.01 : x
  2. Step 2: Convert to fraction form
    20,723.44/28,598.36 = 11,292.01/x
  3. Step 3: Cross multiply
    20,723.44x = 28,598.36 × 11,292.01
  4. Step 4: Simplify right side
    20,723.44x = 322,932,967.10
  5. Step 5: Solve for x
    x = 322,932,967.10/20,723.44
  6. Step 6: Final answer
    x = 15,582.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.