Home / 13,902.08-19,186.25-7,934.64

Finding the Fourth Proportional to 13,902.08, 19,186.25 and 7,934.64

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Solution

The fourth proportional to 13,902.08, 19,186.25 and 7,934.64 is: 10,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.08 : 19,186.25 = 7,934.64 : x
  2. Step 2: Convert to fraction form
    13,902.08/19,186.25 = 7,934.64/x
  3. Step 3: Cross multiply
    13,902.08x = 19,186.25 × 7,934.64
  4. Step 4: Simplify right side
    13,902.08x = 152,235,986.70
  5. Step 5: Solve for x
    x = 152,235,986.70/13,902.08
  6. Step 6: Final answer
    x = 10,950.59

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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.