Home / 19,122.89-26,388.18-11,573.42

Finding the Fourth Proportional to 19,122.89, 26,388.18 and 11,573.42

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Solution

The fourth proportional to 19,122.89, 26,388.18 and 11,573.42 is: 15,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.89 : 26,388.18 = 11,573.42 : x
  2. Step 2: Convert to fraction form
    19,122.89/26,388.18 = 11,573.42/x
  3. Step 3: Cross multiply
    19,122.89x = 26,388.18 × 11,573.42
  4. Step 4: Simplify right side
    19,122.89x = 305,401,358.23
  5. Step 5: Solve for x
    x = 305,401,358.23/19,122.89
  6. Step 6: Final answer
    x = 15,970.46

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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.