Home / 19,668.37-27,141.62-10,715.68

Finding the Fourth Proportional to 19,668.37, 27,141.62 and 10,715.68

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Solution

The fourth proportional to 19,668.37, 27,141.62 and 10,715.68 is: 14,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.37 : 27,141.62 = 10,715.68 : x
  2. Step 2: Convert to fraction form
    19,668.37/27,141.62 = 10,715.68/x
  3. Step 3: Cross multiply
    19,668.37x = 27,141.62 × 10,715.68
  4. Step 4: Simplify right side
    19,668.37x = 290,840,914.60
  5. Step 5: Solve for x
    x = 290,840,914.60/19,668.37
  6. Step 6: Final answer
    x = 14,787.24

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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.