Home / 13,357.88-18,441.23-9,999.48

Finding the Fourth Proportional to 13,357.88, 18,441.23 and 9,999.48

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Solution

The fourth proportional to 13,357.88, 18,441.23 and 9,999.48 is: 13,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.88 : 18,441.23 = 9,999.48 : x
  2. Step 2: Convert to fraction form
    13,357.88/18,441.23 = 9,999.48/x
  3. Step 3: Cross multiply
    13,357.88x = 18,441.23 × 9,999.48
  4. Step 4: Simplify right side
    13,357.88x = 184,402,660.56
  5. Step 5: Solve for x
    x = 184,402,660.56/13,357.88
  6. Step 6: Final answer
    x = 13,804.79

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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.