Home / 13,769.45-19,002.26-9,743.49

Finding the Fourth Proportional to 13,769.45, 19,002.26 and 9,743.49

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Solution

The fourth proportional to 13,769.45, 19,002.26 and 9,743.49 is: 13,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.45 : 19,002.26 = 9,743.49 : x
  2. Step 2: Convert to fraction form
    13,769.45/19,002.26 = 9,743.49/x
  3. Step 3: Cross multiply
    13,769.45x = 19,002.26 × 9,743.49
  4. Step 4: Simplify right side
    13,769.45x = 185,148,281.57
  5. Step 5: Solve for x
    x = 185,148,281.57/13,769.45
  6. Step 6: Final answer
    x = 13,446.31

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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.