Home / 18,383.48-27,571.06-5,235.56

Finding the Fourth Proportional to 18,383.48, 27,571.06 and 5,235.56

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Solution

The fourth proportional to 18,383.48, 27,571.06 and 5,235.56 is: 7,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.48 : 27,571.06 = 5,235.56 : x
  2. Step 2: Convert to fraction form
    18,383.48/27,571.06 = 5,235.56/x
  3. Step 3: Cross multiply
    18,383.48x = 27,571.06 × 5,235.56
  4. Step 4: Simplify right side
    18,383.48x = 144,349,938.89
  5. Step 5: Solve for x
    x = 144,349,938.89/18,383.48
  6. Step 6: Final answer
    x = 7,852.16

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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.