Home / 19,747.84-27,258.88-11,367.68

Finding the Fourth Proportional to 19,747.84, 27,258.88 and 11,367.68

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Solution

The fourth proportional to 19,747.84, 27,258.88 and 11,367.68 is: 15,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.84 : 27,258.88 = 11,367.68 : x
  2. Step 2: Convert to fraction form
    19,747.84/27,258.88 = 11,367.68/x
  3. Step 3: Cross multiply
    19,747.84x = 27,258.88 × 11,367.68
  4. Step 4: Simplify right side
    19,747.84x = 309,870,225.00
  5. Step 5: Solve for x
    x = 309,870,225.00/19,747.84
  6. Step 6: Final answer
    x = 15,691.35

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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.