Home / 13,441.29-18,548.64-7,473.48

Finding the Fourth Proportional to 13,441.29, 18,548.64 and 7,473.48

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Solution

The fourth proportional to 13,441.29, 18,548.64 and 7,473.48 is: 10,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.29 : 18,548.64 = 7,473.48 : x
  2. Step 2: Convert to fraction form
    13,441.29/18,548.64 = 7,473.48/x
  3. Step 3: Cross multiply
    13,441.29x = 18,548.64 × 7,473.48
  4. Step 4: Simplify right side
    13,441.29x = 138,622,890.07
  5. Step 5: Solve for x
    x = 138,622,890.07/13,441.29
  6. Step 6: Final answer
    x = 10,313.21

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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.