Home / 19,766.99-27,283.58-13,717.65

Finding the Fourth Proportional to 19,766.99, 27,283.58 and 13,717.65

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Solution

The fourth proportional to 19,766.99, 27,283.58 and 13,717.65 is: 18,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.99 : 27,283.58 = 13,717.65 : x
  2. Step 2: Convert to fraction form
    19,766.99/27,283.58 = 13,717.65/x
  3. Step 3: Cross multiply
    19,766.99x = 27,283.58 × 13,717.65
  4. Step 4: Simplify right side
    19,766.99x = 374,266,763.52
  5. Step 5: Solve for x
    x = 374,266,763.52/19,766.99
  6. Step 6: Final answer
    x = 18,933.93

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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.