Home / 14,300.81-21,450.18-4,813.19

Finding the Fourth Proportional to 14,300.81, 21,450.18 and 4,813.19

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Solution

The fourth proportional to 14,300.81, 21,450.18 and 4,813.19 is: 7,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.81 : 21,450.18 = 4,813.19 : x
  2. Step 2: Convert to fraction form
    14,300.81/21,450.18 = 4,813.19/x
  3. Step 3: Cross multiply
    14,300.81x = 21,450.18 × 4,813.19
  4. Step 4: Simplify right side
    14,300.81x = 103,243,791.87
  5. Step 5: Solve for x
    x = 103,243,791.87/14,300.81
  6. Step 6: Final answer
    x = 7,219.44

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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.