Home / 13,906.15-19,185.60-9,656.08

Finding the Fourth Proportional to 13,906.15, 19,185.60 and 9,656.08

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Solution

The fourth proportional to 13,906.15, 19,185.60 and 9,656.08 is: 13,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.15 : 19,185.60 = 9,656.08 : x
  2. Step 2: Convert to fraction form
    13,906.15/19,185.60 = 9,656.08/x
  3. Step 3: Cross multiply
    13,906.15x = 19,185.60 × 9,656.08
  4. Step 4: Simplify right side
    13,906.15x = 185,257,688.45
  5. Step 5: Solve for x
    x = 185,257,688.45/13,906.15
  6. Step 6: Final answer
    x = 13,322.00

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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.