Home / 13,133.63-18,125.93-7,313.33

Finding the Fourth Proportional to 13,133.63, 18,125.93 and 7,313.33

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Solution

The fourth proportional to 13,133.63, 18,125.93 and 7,313.33 is: 10,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.63 : 18,125.93 = 7,313.33 : x
  2. Step 2: Convert to fraction form
    13,133.63/18,125.93 = 7,313.33/x
  3. Step 3: Cross multiply
    13,133.63x = 18,125.93 × 7,313.33
  4. Step 4: Simplify right side
    13,133.63x = 132,560,971.25
  5. Step 5: Solve for x
    x = 132,560,971.25/13,133.63
  6. Step 6: Final answer
    x = 10,093.25

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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.