Home / 19,171.44-26,465.76-11,211.12

Finding the Fourth Proportional to 19,171.44, 26,465.76 and 11,211.12

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Solution

The fourth proportional to 19,171.44, 26,465.76 and 11,211.12 is: 15,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.44 : 26,465.76 = 11,211.12 : x
  2. Step 2: Convert to fraction form
    19,171.44/26,465.76 = 11,211.12/x
  3. Step 3: Cross multiply
    19,171.44x = 26,465.76 × 11,211.12
  4. Step 4: Simplify right side
    19,171.44x = 296,710,811.25
  5. Step 5: Solve for x
    x = 296,710,811.25/19,171.44
  6. Step 6: Final answer
    x = 15,476.71

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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.