Home / 13,825.84-19,089.48-8,522.32

Finding the Fourth Proportional to 13,825.84, 19,089.48 and 8,522.32

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Solution

The fourth proportional to 13,825.84, 19,089.48 and 8,522.32 is: 11,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.84 : 19,089.48 = 8,522.32 : x
  2. Step 2: Convert to fraction form
    13,825.84/19,089.48 = 8,522.32/x
  3. Step 3: Cross multiply
    13,825.84x = 19,089.48 × 8,522.32
  4. Step 4: Simplify right side
    13,825.84x = 162,686,657.19
  5. Step 5: Solve for x
    x = 162,686,657.19/13,825.84
  6. Step 6: Final answer
    x = 11,766.86

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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.