Home / 14,313.26-19,738.23-13,181.87

Finding the Fourth Proportional to 14,313.26, 19,738.23 and 13,181.87

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Solution

The fourth proportional to 14,313.26, 19,738.23 and 13,181.87 is: 18,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.26 : 19,738.23 = 13,181.87 : x
  2. Step 2: Convert to fraction form
    14,313.26/19,738.23 = 13,181.87/x
  3. Step 3: Cross multiply
    14,313.26x = 19,738.23 × 13,181.87
  4. Step 4: Simplify right side
    14,313.26x = 260,186,744.92
  5. Step 5: Solve for x
    x = 260,186,744.92/14,313.26
  6. Step 6: Final answer
    x = 18,178.02

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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.