Home / 19,189.46-26,477.34-11,230.40

Finding the Fourth Proportional to 19,189.46, 26,477.34 and 11,230.40

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Solution

The fourth proportional to 19,189.46, 26,477.34 and 11,230.40 is: 15,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.46 : 26,477.34 = 11,230.40 : x
  2. Step 2: Convert to fraction form
    19,189.46/26,477.34 = 11,230.40/x
  3. Step 3: Cross multiply
    19,189.46x = 26,477.34 × 11,230.40
  4. Step 4: Simplify right side
    19,189.46x = 297,351,119.14
  5. Step 5: Solve for x
    x = 297,351,119.14/19,189.46
  6. Step 6: Final answer
    x = 15,495.54

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Double scale
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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.