Home / 14,954.72-20,637.04-8,240.16

Finding the Fourth Proportional to 14,954.72, 20,637.04 and 8,240.16

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Solution

The fourth proportional to 14,954.72, 20,637.04 and 8,240.16 is: 11,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.72 : 20,637.04 = 8,240.16 : x
  2. Step 2: Convert to fraction form
    14,954.72/20,637.04 = 8,240.16/x
  3. Step 3: Cross multiply
    14,954.72x = 20,637.04 × 8,240.16
  4. Step 4: Simplify right side
    14,954.72x = 170,052,511.53
  5. Step 5: Solve for x
    x = 170,052,511.53/14,954.72
  6. Step 6: Final answer
    x = 11,371.16

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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.