Home / 18,829.75-25,986.27-10,446.25

Finding the Fourth Proportional to 18,829.75, 25,986.27 and 10,446.25

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Solution

The fourth proportional to 18,829.75, 25,986.27 and 10,446.25 is: 14,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.75 : 25,986.27 = 10,446.25 : x
  2. Step 2: Convert to fraction form
    18,829.75/25,986.27 = 10,446.25/x
  3. Step 3: Cross multiply
    18,829.75x = 25,986.27 × 10,446.25
  4. Step 4: Simplify right side
    18,829.75x = 271,459,072.99
  5. Step 5: Solve for x
    x = 271,459,072.99/18,829.75
  6. Step 6: Final answer
    x = 14,416.50

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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.