Home / 19,181.41-26,460.21-13,202.70

Finding the Fourth Proportional to 19,181.41, 26,460.21 and 13,202.70

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Solution

The fourth proportional to 19,181.41, 26,460.21 and 13,202.70 is: 18,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.41 : 26,460.21 = 13,202.70 : x
  2. Step 2: Convert to fraction form
    19,181.41/26,460.21 = 13,202.70/x
  3. Step 3: Cross multiply
    19,181.41x = 26,460.21 × 13,202.70
  4. Step 4: Simplify right side
    19,181.41x = 349,346,214.57
  5. Step 5: Solve for x
    x = 349,346,214.57/19,181.41
  6. Step 6: Final answer
    x = 18,212.75

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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.