Home / 13,883.78-19,158.86-7,595.75

Finding the Fourth Proportional to 13,883.78, 19,158.86 and 7,595.75

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Solution

The fourth proportional to 13,883.78, 19,158.86 and 7,595.75 is: 10,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.78 : 19,158.86 = 7,595.75 : x
  2. Step 2: Convert to fraction form
    13,883.78/19,158.86 = 7,595.75/x
  3. Step 3: Cross multiply
    13,883.78x = 19,158.86 × 7,595.75
  4. Step 4: Simplify right side
    13,883.78x = 145,525,872.87
  5. Step 5: Solve for x
    x = 145,525,872.87/13,883.78
  6. Step 6: Final answer
    x = 10,481.72

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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.