Home / 19,321.26-26,653.59-11,358.42

Finding the Fourth Proportional to 19,321.26, 26,653.59 and 11,358.42

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Solution

The fourth proportional to 19,321.26, 26,653.59 and 11,358.42 is: 15,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.26 : 26,653.59 = 11,358.42 : x
  2. Step 2: Convert to fraction form
    19,321.26/26,653.59 = 11,358.42/x
  3. Step 3: Cross multiply
    19,321.26x = 26,653.59 × 11,358.42
  4. Step 4: Simplify right side
    19,321.26x = 302,742,669.73
  5. Step 5: Solve for x
    x = 302,742,669.73/19,321.26
  6. Step 6: Final answer
    x = 15,668.89

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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.