Home / 18,549.48-25,622.82-13,825.56

Finding the Fourth Proportional to 18,549.48, 25,622.82 and 13,825.56

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Solution

The fourth proportional to 18,549.48, 25,622.82 and 13,825.56 is: 19,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.48 : 25,622.82 = 13,825.56 : x
  2. Step 2: Convert to fraction form
    18,549.48/25,622.82 = 13,825.56/x
  3. Step 3: Cross multiply
    18,549.48x = 25,622.82 × 13,825.56
  4. Step 4: Simplify right side
    18,549.48x = 354,249,835.28
  5. Step 5: Solve for x
    x = 354,249,835.28/18,549.48
  6. Step 6: Final answer
    x = 19,097.56

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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.