Home / 19,418.70-26,798.13-10,922.61

Finding the Fourth Proportional to 19,418.70, 26,798.13 and 10,922.61

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Solution

The fourth proportional to 19,418.70, 26,798.13 and 10,922.61 is: 15,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.70 : 26,798.13 = 10,922.61 : x
  2. Step 2: Convert to fraction form
    19,418.70/26,798.13 = 10,922.61/x
  3. Step 3: Cross multiply
    19,418.70x = 26,798.13 × 10,922.61
  4. Step 4: Simplify right side
    19,418.70x = 292,705,522.72
  5. Step 5: Solve for x
    x = 292,705,522.72/19,418.70
  6. Step 6: Final answer
    x = 15,073.38

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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.