Home / 20,085.01-30,098.65-11,301.37

Finding the Fourth Proportional to 20,085.01, 30,098.65 and 11,301.37

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Solution

The fourth proportional to 20,085.01, 30,098.65 and 11,301.37 is: 16,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.01 : 30,098.65 = 11,301.37 : x
  2. Step 2: Convert to fraction form
    20,085.01/30,098.65 = 11,301.37/x
  3. Step 3: Cross multiply
    20,085.01x = 30,098.65 × 11,301.37
  4. Step 4: Simplify right side
    20,085.01x = 340,155,980.15
  5. Step 5: Solve for x
    x = 340,155,980.15/20,085.01
  6. Step 6: Final answer
    x = 16,935.81

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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.