Home / 13,825.35-19,076.67-8,158.05

Finding the Fourth Proportional to 13,825.35, 19,076.67 and 8,158.05

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Solution

The fourth proportional to 13,825.35, 19,076.67 and 8,158.05 is: 11,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.35 : 19,076.67 = 8,158.05 : x
  2. Step 2: Convert to fraction form
    13,825.35/19,076.67 = 8,158.05/x
  3. Step 3: Cross multiply
    13,825.35x = 19,076.67 × 8,158.05
  4. Step 4: Simplify right side
    13,825.35x = 155,628,427.69
  5. Step 5: Solve for x
    x = 155,628,427.69/13,825.35
  6. Step 6: Final answer
    x = 11,256.74

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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.