Home / 19,350.90-26,706.71-11,393.87

Finding the Fourth Proportional to 19,350.90, 26,706.71 and 11,393.87

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Solution

The fourth proportional to 19,350.90, 26,706.71 and 11,393.87 is: 15,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.90 : 26,706.71 = 11,393.87 : x
  2. Step 2: Convert to fraction form
    19,350.90/26,706.71 = 11,393.87/x
  3. Step 3: Cross multiply
    19,350.90x = 26,706.71 × 11,393.87
  4. Step 4: Simplify right side
    19,350.90x = 304,292,676.82
  5. Step 5: Solve for x
    x = 304,292,676.82/19,350.90
  6. Step 6: Final answer
    x = 15,724.99

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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.