Home / 13,896.12-19,176.18-7,608.36

Finding the Fourth Proportional to 13,896.12, 19,176.18 and 7,608.36

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Solution

The fourth proportional to 13,896.12, 19,176.18 and 7,608.36 is: 10,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.12 : 19,176.18 = 7,608.36 : x
  2. Step 2: Convert to fraction form
    13,896.12/19,176.18 = 7,608.36/x
  3. Step 3: Cross multiply
    13,896.12x = 19,176.18 × 7,608.36
  4. Step 4: Simplify right side
    13,896.12x = 145,899,280.86
  5. Step 5: Solve for x
    x = 145,899,280.86/13,896.12
  6. Step 6: Final answer
    x = 10,499.28

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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.