Home / 19,766.48-27,274.76-12,693.84

Finding the Fourth Proportional to 19,766.48, 27,274.76 and 12,693.84

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Solution

The fourth proportional to 19,766.48, 27,274.76 and 12,693.84 is: 17,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.48 : 27,274.76 = 12,693.84 : x
  2. Step 2: Convert to fraction form
    19,766.48/27,274.76 = 12,693.84/x
  3. Step 3: Cross multiply
    19,766.48x = 27,274.76 × 12,693.84
  4. Step 4: Simplify right side
    19,766.48x = 346,221,439.48
  5. Step 5: Solve for x
    x = 346,221,439.48/19,766.48
  6. Step 6: Final answer
    x = 17,515.58

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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.