Home / 14,954.03-20,636.81-8,240.05

Finding the Fourth Proportional to 14,954.03, 20,636.81 and 8,240.05

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Solution

The fourth proportional to 14,954.03, 20,636.81 and 8,240.05 is: 11,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.03 : 20,636.81 = 8,240.05 : x
  2. Step 2: Convert to fraction form
    14,954.03/20,636.81 = 8,240.05/x
  3. Step 3: Cross multiply
    14,954.03x = 20,636.81 × 8,240.05
  4. Step 4: Simplify right side
    14,954.03x = 170,048,346.24
  5. Step 5: Solve for x
    x = 170,048,346.24/14,954.03
  6. Step 6: Final answer
    x = 11,371.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.