Home / 13,881.23-20,825.18-4,021.19

Finding the Fourth Proportional to 13,881.23, 20,825.18 and 4,021.19

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Solution

The fourth proportional to 13,881.23, 20,825.18 and 4,021.19 is: 6,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.23 : 20,825.18 = 4,021.19 : x
  2. Step 2: Convert to fraction form
    13,881.23/20,825.18 = 4,021.19/x
  3. Step 3: Cross multiply
    13,881.23x = 20,825.18 × 4,021.19
  4. Step 4: Simplify right side
    13,881.23x = 83,742,005.56
  5. Step 5: Solve for x
    x = 83,742,005.56/13,881.23
  6. Step 6: Final answer
    x = 6,032.75

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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.