Home / 20,074.74-27,707.01-11,582.35

Finding the Fourth Proportional to 20,074.74, 27,707.01 and 11,582.35

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Solution

The fourth proportional to 20,074.74, 27,707.01 and 11,582.35 is: 15,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.74 : 27,707.01 = 11,582.35 : x
  2. Step 2: Convert to fraction form
    20,074.74/27,707.01 = 11,582.35/x
  3. Step 3: Cross multiply
    20,074.74x = 27,707.01 × 11,582.35
  4. Step 4: Simplify right side
    20,074.74x = 320,912,287.27
  5. Step 5: Solve for x
    x = 320,912,287.27/20,074.74
  6. Step 6: Final answer
    x = 15,985.88

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1.5x scale

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.