Home / 14,954.43-20,636.62-8,240.04

Finding the Fourth Proportional to 14,954.43, 20,636.62 and 8,240.04

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Solution

The fourth proportional to 14,954.43, 20,636.62 and 8,240.04 is: 11,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.43 : 20,636.62 = 8,240.04 : x
  2. Step 2: Convert to fraction form
    14,954.43/20,636.62 = 8,240.04/x
  3. Step 3: Cross multiply
    14,954.43x = 20,636.62 × 8,240.04
  4. Step 4: Simplify right side
    14,954.43x = 170,046,574.26
  5. Step 5: Solve for x
    x = 170,046,574.26/14,954.43
  6. Step 6: Final answer
    x = 11,370.98

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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.