Home / 14,303.36-21,449.78-4,940.98

Finding the Fourth Proportional to 14,303.36, 21,449.78 and 4,940.98

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Solution

The fourth proportional to 14,303.36, 21,449.78 and 4,940.98 is: 7,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.36 : 21,449.78 = 4,940.98 : x
  2. Step 2: Convert to fraction form
    14,303.36/21,449.78 = 4,940.98/x
  3. Step 3: Cross multiply
    14,303.36x = 21,449.78 × 4,940.98
  4. Step 4: Simplify right side
    14,303.36x = 105,982,933.98
  5. Step 5: Solve for x
    x = 105,982,933.98/14,303.36
  6. Step 6: Final answer
    x = 7,409.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.