Home / 13,644.45-20,466.81-8,994.24

Finding the Fourth Proportional to 13,644.45, 20,466.81 and 8,994.24

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Solution

The fourth proportional to 13,644.45, 20,466.81 and 8,994.24 is: 13,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.45 : 20,466.81 = 8,994.24 : x
  2. Step 2: Convert to fraction form
    13,644.45/20,466.81 = 8,994.24/x
  3. Step 3: Cross multiply
    13,644.45x = 20,466.81 × 8,994.24
  4. Step 4: Simplify right side
    13,644.45x = 184,083,401.17
  5. Step 5: Solve for x
    x = 184,083,401.17/13,644.45
  6. Step 6: Final answer
    x = 13,491.45

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1.5x scale

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.