Home / 13,583.46-18,749.16-8,868.46

Finding the Fourth Proportional to 13,583.46, 18,749.16 and 8,868.46

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Solution

The fourth proportional to 13,583.46, 18,749.16 and 8,868.46 is: 12,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.46 : 18,749.16 = 8,868.46 : x
  2. Step 2: Convert to fraction form
    13,583.46/18,749.16 = 8,868.46/x
  3. Step 3: Cross multiply
    13,583.46x = 18,749.16 × 8,868.46
  4. Step 4: Simplify right side
    13,583.46x = 166,276,175.49
  5. Step 5: Solve for x
    x = 166,276,175.49/13,583.46
  6. Step 6: Final answer
    x = 12,241.08

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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.