Home / 13,794.12-19,035.08-7,743.80

Finding the Fourth Proportional to 13,794.12, 19,035.08 and 7,743.80

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Solution

The fourth proportional to 13,794.12, 19,035.08 and 7,743.80 is: 10,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.12 : 19,035.08 = 7,743.80 : x
  2. Step 2: Convert to fraction form
    13,794.12/19,035.08 = 7,743.80/x
  3. Step 3: Cross multiply
    13,794.12x = 19,035.08 × 7,743.80
  4. Step 4: Simplify right side
    13,794.12x = 147,403,852.50
  5. Step 5: Solve for x
    x = 147,403,852.50/13,794.12
  6. Step 6: Final answer
    x = 10,685.99

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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.