Home / 14,185.81-21,277.08-3,798.37

Finding the Fourth Proportional to 14,185.81, 21,277.08 and 3,798.37

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Solution

The fourth proportional to 14,185.81, 21,277.08 and 3,798.37 is: 5,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.81 : 21,277.08 = 3,798.37 : x
  2. Step 2: Convert to fraction form
    14,185.81/21,277.08 = 3,798.37/x
  3. Step 3: Cross multiply
    14,185.81x = 21,277.08 × 3,798.37
  4. Step 4: Simplify right side
    14,185.81x = 80,818,222.36
  5. Step 5: Solve for x
    x = 80,818,222.36/14,185.81
  6. Step 6: Final answer
    x = 5,697.12

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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.