Home / 19,784.25-29,673.14-13,923.09

Finding the Fourth Proportional to 19,784.25, 29,673.14 and 13,923.09

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Solution

The fourth proportional to 19,784.25, 29,673.14 and 13,923.09 is: 20,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.25 : 29,673.14 = 13,923.09 : x
  2. Step 2: Convert to fraction form
    19,784.25/29,673.14 = 13,923.09/x
  3. Step 3: Cross multiply
    19,784.25x = 29,673.14 × 13,923.09
  4. Step 4: Simplify right side
    19,784.25x = 413,141,729.19
  5. Step 5: Solve for x
    x = 413,141,729.19/19,784.25
  6. Step 6: Final answer
    x = 20,882.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.