Home / 19,668.83-27,143.15-10,716.37

Finding the Fourth Proportional to 19,668.83, 27,143.15 and 10,716.37

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Solution

The fourth proportional to 19,668.83, 27,143.15 and 10,716.37 is: 14,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.83 : 27,143.15 = 10,716.37 : x
  2. Step 2: Convert to fraction form
    19,668.83/27,143.15 = 10,716.37/x
  3. Step 3: Cross multiply
    19,668.83x = 27,143.15 × 10,716.37
  4. Step 4: Simplify right side
    19,668.83x = 290,875,916.93
  5. Step 5: Solve for x
    x = 290,875,916.93/19,668.83
  6. Step 6: Final answer
    x = 14,788.68

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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.