Home / 13,877.03-19,150.26-7,908.95

Finding the Fourth Proportional to 13,877.03, 19,150.26 and 7,908.95

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Solution

The fourth proportional to 13,877.03, 19,150.26 and 7,908.95 is: 10,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.03 : 19,150.26 = 7,908.95 : x
  2. Step 2: Convert to fraction form
    13,877.03/19,150.26 = 7,908.95/x
  3. Step 3: Cross multiply
    13,877.03x = 19,150.26 × 7,908.95
  4. Step 4: Simplify right side
    13,877.03x = 151,458,353.08
  5. Step 5: Solve for x
    x = 151,458,353.08/13,877.03
  6. Step 6: Final answer
    x = 10,914.32

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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.