Home / 13,794.65-19,035.30-7,743.50

Finding the Fourth Proportional to 13,794.65, 19,035.30 and 7,743.50

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Solution

The fourth proportional to 13,794.65, 19,035.30 and 7,743.50 is: 10,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.65 : 19,035.30 = 7,743.50 : x
  2. Step 2: Convert to fraction form
    13,794.65/19,035.30 = 7,743.50/x
  3. Step 3: Cross multiply
    13,794.65x = 19,035.30 × 7,743.50
  4. Step 4: Simplify right side
    13,794.65x = 147,399,864.10
  5. Step 5: Solve for x
    x = 147,399,864.10/13,794.65
  6. Step 6: Final answer
    x = 10,685.29

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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.