Home / 18,365.33-25,344.69-10,407.29

Finding the Fourth Proportional to 18,365.33, 25,344.69 and 10,407.29

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Solution

The fourth proportional to 18,365.33, 25,344.69 and 10,407.29 is: 14,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.33 : 25,344.69 = 10,407.29 : x
  2. Step 2: Convert to fraction form
    18,365.33/25,344.69 = 10,407.29/x
  3. Step 3: Cross multiply
    18,365.33x = 25,344.69 × 10,407.29
  4. Step 4: Simplify right side
    18,365.33x = 263,769,538.79
  5. Step 5: Solve for x
    x = 263,769,538.79/18,365.33
  6. Step 6: Final answer
    x = 14,362.36

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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.