Home / 14,522.77-20,040.26-8,148.49

Finding the Fourth Proportional to 14,522.77, 20,040.26 and 8,148.49

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Solution

The fourth proportional to 14,522.77, 20,040.26 and 8,148.49 is: 11,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.77 : 20,040.26 = 8,148.49 : x
  2. Step 2: Convert to fraction form
    14,522.77/20,040.26 = 8,148.49/x
  3. Step 3: Cross multiply
    14,522.77x = 20,040.26 × 8,148.49
  4. Step 4: Simplify right side
    14,522.77x = 163,297,767.36
  5. Step 5: Solve for x
    x = 163,297,767.36/14,522.77
  6. Step 6: Final answer
    x = 11,244.26

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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.