Home / 18,554.40-27,825.84-7,455.24

Finding the Fourth Proportional to 18,554.40, 27,825.84 and 7,455.24

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Solution

The fourth proportional to 18,554.40, 27,825.84 and 7,455.24 is: 11,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.40 : 27,825.84 = 7,455.24 : x
  2. Step 2: Convert to fraction form
    18,554.40/27,825.84 = 7,455.24/x
  3. Step 3: Cross multiply
    18,554.40x = 27,825.84 × 7,455.24
  4. Step 4: Simplify right side
    18,554.40x = 207,448,315.40
  5. Step 5: Solve for x
    x = 207,448,315.40/18,554.40
  6. Step 6: Final answer
    x = 11,180.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.