Home / 13,895.15-19,170.54-7,922.52

Finding the Fourth Proportional to 13,895.15, 19,170.54 and 7,922.52

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Solution

The fourth proportional to 13,895.15, 19,170.54 and 7,922.52 is: 10,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.15 : 19,170.54 = 7,922.52 : x
  2. Step 2: Convert to fraction form
    13,895.15/19,170.54 = 7,922.52/x
  3. Step 3: Cross multiply
    13,895.15x = 19,170.54 × 7,922.52
  4. Step 4: Simplify right side
    13,895.15x = 151,878,986.56
  5. Step 5: Solve for x
    x = 151,878,986.56/13,895.15
  6. Step 6: Final answer
    x = 10,930.36

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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.