Home / 13,270.51-18,313.37-7,302.03

Finding the Fourth Proportional to 13,270.51, 18,313.37 and 7,302.03

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Solution

The fourth proportional to 13,270.51, 18,313.37 and 7,302.03 is: 10,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.51 : 18,313.37 = 7,302.03 : x
  2. Step 2: Convert to fraction form
    13,270.51/18,313.37 = 7,302.03/x
  3. Step 3: Cross multiply
    13,270.51x = 18,313.37 × 7,302.03
  4. Step 4: Simplify right side
    13,270.51x = 133,724,777.14
  5. Step 5: Solve for x
    x = 133,724,777.14/13,270.51
  6. Step 6: Final answer
    x = 10,076.84

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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.