Home / 19,122.48-26,388.79-10,738.98

Finding the Fourth Proportional to 19,122.48, 26,388.79 and 10,738.98

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Solution

The fourth proportional to 19,122.48, 26,388.79 and 10,738.98 is: 14,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.48 : 26,388.79 = 10,738.98 : x
  2. Step 2: Convert to fraction form
    19,122.48/26,388.79 = 10,738.98/x
  3. Step 3: Cross multiply
    19,122.48x = 26,388.79 × 10,738.98
  4. Step 4: Simplify right side
    19,122.48x = 283,388,661.19
  5. Step 5: Solve for x
    x = 283,388,661.19/19,122.48
  6. Step 6: Final answer
    x = 14,819.66

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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.