Home / 19,790.15-27,310.05-10,837.49

Finding the Fourth Proportional to 19,790.15, 27,310.05 and 10,837.49

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Solution

The fourth proportional to 19,790.15, 27,310.05 and 10,837.49 is: 14,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.15 : 27,310.05 = 10,837.49 : x
  2. Step 2: Convert to fraction form
    19,790.15/27,310.05 = 10,837.49/x
  3. Step 3: Cross multiply
    19,790.15x = 27,310.05 × 10,837.49
  4. Step 4: Simplify right side
    19,790.15x = 295,972,393.77
  5. Step 5: Solve for x
    x = 295,972,393.77/19,790.15
  6. Step 6: Final answer
    x = 14,955.54

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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.