Home / 18,362.60-25,346.12-10,808.34

Finding the Fourth Proportional to 18,362.60, 25,346.12 and 10,808.34

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Solution

The fourth proportional to 18,362.60, 25,346.12 and 10,808.34 is: 14,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.60 : 25,346.12 = 10,808.34 : x
  2. Step 2: Convert to fraction form
    18,362.60/25,346.12 = 10,808.34/x
  3. Step 3: Cross multiply
    18,362.60x = 25,346.12 × 10,808.34
  4. Step 4: Simplify right side
    18,362.60x = 273,949,333.55
  5. Step 5: Solve for x
    x = 273,949,333.55/18,362.60
  6. Step 6: Final answer
    x = 14,918.88

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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.