Home / 14,046.49-21,072.87-5,281.48

Finding the Fourth Proportional to 14,046.49, 21,072.87 and 5,281.48

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Solution

The fourth proportional to 14,046.49, 21,072.87 and 5,281.48 is: 7,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.49 : 21,072.87 = 5,281.48 : x
  2. Step 2: Convert to fraction form
    14,046.49/21,072.87 = 5,281.48/x
  3. Step 3: Cross multiply
    14,046.49x = 21,072.87 × 5,281.48
  4. Step 4: Simplify right side
    14,046.49x = 111,295,941.45
  5. Step 5: Solve for x
    x = 111,295,941.45/14,046.49
  6. Step 6: Final answer
    x = 7,923.40

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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.