Home / 13,888.41-20,834.78-4,652.25

Finding the Fourth Proportional to 13,888.41, 20,834.78 and 4,652.25

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Solution

The fourth proportional to 13,888.41, 20,834.78 and 4,652.25 is: 6,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.41 : 20,834.78 = 4,652.25 : x
  2. Step 2: Convert to fraction form
    13,888.41/20,834.78 = 4,652.25/x
  3. Step 3: Cross multiply
    13,888.41x = 20,834.78 × 4,652.25
  4. Step 4: Simplify right side
    13,888.41x = 96,928,581.99
  5. Step 5: Solve for x
    x = 96,928,581.99/13,888.41
  6. Step 6: Final answer
    x = 6,979.10

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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.