Home / 19,105.37-26,378.26-14,621.11

Finding the Fourth Proportional to 19,105.37, 26,378.26 and 14,621.11

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Solution

The fourth proportional to 19,105.37, 26,378.26 and 14,621.11 is: 20,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.37 : 26,378.26 = 14,621.11 : x
  2. Step 2: Convert to fraction form
    19,105.37/26,378.26 = 14,621.11/x
  3. Step 3: Cross multiply
    19,105.37x = 26,378.26 × 14,621.11
  4. Step 4: Simplify right side
    19,105.37x = 385,679,338.57
  5. Step 5: Solve for x
    x = 385,679,338.57/19,105.37
  6. Step 6: Final answer
    x = 20,186.96

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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.