Home / 14,231.40-19,653.56-11,738.22

Finding the Fourth Proportional to 14,231.40, 19,653.56 and 11,738.22

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Solution

The fourth proportional to 14,231.40, 19,653.56 and 11,738.22 is: 16,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.40 : 19,653.56 = 11,738.22 : x
  2. Step 2: Convert to fraction form
    14,231.40/19,653.56 = 11,738.22/x
  3. Step 3: Cross multiply
    14,231.40x = 19,653.56 × 11,738.22
  4. Step 4: Simplify right side
    14,231.40x = 230,697,752.37
  5. Step 5: Solve for x
    x = 230,697,752.37/14,231.40
  6. Step 6: Final answer
    x = 16,210.47

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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.