Home / 13,908.83-20,863.28-4,048.34

Finding the Fourth Proportional to 13,908.83, 20,863.28 and 4,048.34

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Solution

The fourth proportional to 13,908.83, 20,863.28 and 4,048.34 is: 6,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.83 : 20,863.28 = 4,048.34 : x
  2. Step 2: Convert to fraction form
    13,908.83/20,863.28 = 4,048.34/x
  3. Step 3: Cross multiply
    13,908.83x = 20,863.28 × 4,048.34
  4. Step 4: Simplify right side
    13,908.83x = 84,461,526.40
  5. Step 5: Solve for x
    x = 84,461,526.40/13,908.83
  6. Step 6: Final answer
    x = 6,072.51

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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.