Home / 19,743.14-27,245.54-10,668.50

Finding the Fourth Proportional to 19,743.14, 27,245.54 and 10,668.50

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Solution

The fourth proportional to 19,743.14, 27,245.54 and 10,668.50 is: 14,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.14 : 27,245.54 = 10,668.50 : x
  2. Step 2: Convert to fraction form
    19,743.14/27,245.54 = 10,668.50/x
  3. Step 3: Cross multiply
    19,743.14x = 27,245.54 × 10,668.50
  4. Step 4: Simplify right side
    19,743.14x = 290,668,853.92
  5. Step 5: Solve for x
    x = 290,668,853.92/19,743.14
  6. Step 6: Final answer
    x = 14,722.53

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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.