Home / 13,840.96-19,100.16-7,553.44

Finding the Fourth Proportional to 13,840.96, 19,100.16 and 7,553.44

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Solution

The fourth proportional to 13,840.96, 19,100.16 and 7,553.44 is: 10,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.96 : 19,100.16 = 7,553.44 : x
  2. Step 2: Convert to fraction form
    13,840.96/19,100.16 = 7,553.44/x
  3. Step 3: Cross multiply
    13,840.96x = 19,100.16 × 7,553.44
  4. Step 4: Simplify right side
    13,840.96x = 144,271,912.55
  5. Step 5: Solve for x
    x = 144,271,912.55/13,840.96
  6. Step 6: Final answer
    x = 10,423.55

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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.