Home / 18,922.95-26,101.17-11,837.07

Finding the Fourth Proportional to 18,922.95, 26,101.17 and 11,837.07

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Solution

The fourth proportional to 18,922.95, 26,101.17 and 11,837.07 is: 16,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.95 : 26,101.17 = 11,837.07 : x
  2. Step 2: Convert to fraction form
    18,922.95/26,101.17 = 11,837.07/x
  3. Step 3: Cross multiply
    18,922.95x = 26,101.17 × 11,837.07
  4. Step 4: Simplify right side
    18,922.95x = 308,961,376.37
  5. Step 5: Solve for x
    x = 308,961,376.37/18,922.95
  6. Step 6: Final answer
    x = 16,327.34

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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.