Home / 12,048.37-18,027.45-11,415.51

Finding the Fourth Proportional to 12,048.37, 18,027.45 and 11,415.51

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Solution

The fourth proportional to 12,048.37, 18,027.45 and 11,415.51 is: 17,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.37 : 18,027.45 = 11,415.51 : x
  2. Step 2: Convert to fraction form
    12,048.37/18,027.45 = 11,415.51/x
  3. Step 3: Cross multiply
    12,048.37x = 18,027.45 × 11,415.51
  4. Step 4: Simplify right side
    12,048.37x = 205,792,535.75
  5. Step 5: Solve for x
    x = 205,792,535.75/12,048.37
  6. Step 6: Final answer
    x = 17,080.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.