Home / 13,868.64-19,134.05-7,896.08

Finding the Fourth Proportional to 13,868.64, 19,134.05 and 7,896.08

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Solution

The fourth proportional to 13,868.64, 19,134.05 and 7,896.08 is: 10,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.64 : 19,134.05 = 7,896.08 : x
  2. Step 2: Convert to fraction form
    13,868.64/19,134.05 = 7,896.08/x
  3. Step 3: Cross multiply
    13,868.64x = 19,134.05 × 7,896.08
  4. Step 4: Simplify right side
    13,868.64x = 151,083,854.37
  5. Step 5: Solve for x
    x = 151,083,854.37/13,868.64
  6. Step 6: Final answer
    x = 10,893.92

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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.