Home / 20,041.09-27,656.58-11,088.43

Finding the Fourth Proportional to 20,041.09, 27,656.58 and 11,088.43

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Solution

The fourth proportional to 20,041.09, 27,656.58 and 11,088.43 is: 15,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.09 : 27,656.58 = 11,088.43 : x
  2. Step 2: Convert to fraction form
    20,041.09/27,656.58 = 11,088.43/x
  3. Step 3: Cross multiply
    20,041.09x = 27,656.58 × 11,088.43
  4. Step 4: Simplify right side
    20,041.09x = 306,668,051.37
  5. Step 5: Solve for x
    x = 306,668,051.37/20,041.09
  6. Step 6: Final answer
    x = 15,301.96

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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.