Home / 19,131.53-26,403.55-11,176.34

Finding the Fourth Proportional to 19,131.53, 26,403.55 and 11,176.34

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Solution

The fourth proportional to 19,131.53, 26,403.55 and 11,176.34 is: 15,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.53 : 26,403.55 = 11,176.34 : x
  2. Step 2: Convert to fraction form
    19,131.53/26,403.55 = 11,176.34/x
  3. Step 3: Cross multiply
    19,131.53x = 26,403.55 × 11,176.34
  4. Step 4: Simplify right side
    19,131.53x = 295,094,892.05
  5. Step 5: Solve for x
    x = 295,094,892.05/19,131.53
  6. Step 6: Final answer
    x = 15,424.54

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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.