Home / 13,054.07-18,010.33-7,388.26

Finding the Fourth Proportional to 13,054.07, 18,010.33 and 7,388.26

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Solution

The fourth proportional to 13,054.07, 18,010.33 and 7,388.26 is: 10,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.07 : 18,010.33 = 7,388.26 : x
  2. Step 2: Convert to fraction form
    13,054.07/18,010.33 = 7,388.26/x
  3. Step 3: Cross multiply
    13,054.07x = 18,010.33 × 7,388.26
  4. Step 4: Simplify right side
    13,054.07x = 133,064,937.23
  5. Step 5: Solve for x
    x = 133,064,937.23/13,054.07
  6. Step 6: Final answer
    x = 10,193.37

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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.