Home / 13,921.34-20,885.04-4,061.48

Finding the Fourth Proportional to 13,921.34, 20,885.04 and 4,061.48

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Solution

The fourth proportional to 13,921.34, 20,885.04 and 4,061.48 is: 6,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.34 : 20,885.04 = 4,061.48 : x
  2. Step 2: Convert to fraction form
    13,921.34/20,885.04 = 4,061.48/x
  3. Step 3: Cross multiply
    13,921.34x = 20,885.04 × 4,061.48
  4. Step 4: Simplify right side
    13,921.34x = 84,824,172.26
  5. Step 5: Solve for x
    x = 84,824,172.26/13,921.34
  6. Step 6: Final answer
    x = 6,093.10

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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.