Home / 19,350.75-26,706.56-11,393.71

Finding the Fourth Proportional to 19,350.75, 26,706.56 and 11,393.71

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Solution

The fourth proportional to 19,350.75, 26,706.56 and 11,393.71 is: 15,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.75 : 26,706.56 = 11,393.71 : x
  2. Step 2: Convert to fraction form
    19,350.75/26,706.56 = 11,393.71/x
  3. Step 3: Cross multiply
    19,350.75x = 26,706.56 × 11,393.71
  4. Step 4: Simplify right side
    19,350.75x = 304,286,742.77
  5. Step 5: Solve for x
    x = 304,286,742.77/19,350.75
  6. Step 6: Final answer
    x = 15,724.80

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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.