Home / 26,100.09-36,016.16-15,345.41

Finding the Fourth Proportional to 26,100.09, 36,016.16 and 15,345.41

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Solution

The fourth proportional to 26,100.09, 36,016.16 and 15,345.41 is: 21,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.09 : 36,016.16 = 15,345.41 : x
  2. Step 2: Convert to fraction form
    26,100.09/36,016.16 = 15,345.41/x
  3. Step 3: Cross multiply
    26,100.09x = 36,016.16 × 15,345.41
  4. Step 4: Simplify right side
    26,100.09x = 552,682,485.02
  5. Step 5: Solve for x
    x = 552,682,485.02/26,100.09
  6. Step 6: Final answer
    x = 21,175.50

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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.