Home / 18,795.75-25,938.99-10,412.25

Finding the Fourth Proportional to 18,795.75, 25,938.99 and 10,412.25

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Solution

The fourth proportional to 18,795.75, 25,938.99 and 10,412.25 is: 14,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.75 : 25,938.99 = 10,412.25 : x
  2. Step 2: Convert to fraction form
    18,795.75/25,938.99 = 10,412.25/x
  3. Step 3: Cross multiply
    18,795.75x = 25,938.99 × 10,412.25
  4. Step 4: Simplify right side
    18,795.75x = 270,083,248.63
  5. Step 5: Solve for x
    x = 270,083,248.63/18,795.75
  6. Step 6: Final answer
    x = 14,369.38

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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.