Home / 19,083.09-26,334.67-11,123.78

Finding the Fourth Proportional to 19,083.09, 26,334.67 and 11,123.78

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Solution

The fourth proportional to 19,083.09, 26,334.67 and 11,123.78 is: 15,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.09 : 26,334.67 = 11,123.78 : x
  2. Step 2: Convert to fraction form
    19,083.09/26,334.67 = 11,123.78/x
  3. Step 3: Cross multiply
    19,083.09x = 26,334.67 × 11,123.78
  4. Step 4: Simplify right side
    19,083.09x = 292,941,084.96
  5. Step 5: Solve for x
    x = 292,941,084.96/19,083.09
  6. Step 6: Final answer
    x = 15,350.82

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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.