Home / 13,955.22-19,258.36-7,667.60

Finding the Fourth Proportional to 13,955.22, 19,258.36 and 7,667.60

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Solution

The fourth proportional to 13,955.22, 19,258.36 and 7,667.60 is: 10,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.22 : 19,258.36 = 7,667.60 : x
  2. Step 2: Convert to fraction form
    13,955.22/19,258.36 = 7,667.60/x
  3. Step 3: Cross multiply
    13,955.22x = 19,258.36 × 7,667.60
  4. Step 4: Simplify right side
    13,955.22x = 147,665,285.68
  5. Step 5: Solve for x
    x = 147,665,285.68/13,955.22
  6. Step 6: Final answer
    x = 10,581.37

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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.