Home / 18,455.05-25,467.96-10,071.55

Finding the Fourth Proportional to 18,455.05, 25,467.96 and 10,071.55

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Solution

The fourth proportional to 18,455.05, 25,467.96 and 10,071.55 is: 13,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.05 : 25,467.96 = 10,071.55 : x
  2. Step 2: Convert to fraction form
    18,455.05/25,467.96 = 10,071.55/x
  3. Step 3: Cross multiply
    18,455.05x = 25,467.96 × 10,071.55
  4. Step 4: Simplify right side
    18,455.05x = 256,501,654.84
  5. Step 5: Solve for x
    x = 256,501,654.84/18,455.05
  6. Step 6: Final answer
    x = 13,898.73

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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.