Home / 14,050.69-21,075.54-3,520.80

Finding the Fourth Proportional to 14,050.69, 21,075.54 and 3,520.80

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Solution

The fourth proportional to 14,050.69, 21,075.54 and 3,520.80 is: 5,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.69 : 21,075.54 = 3,520.80 : x
  2. Step 2: Convert to fraction form
    14,050.69/21,075.54 = 3,520.80/x
  3. Step 3: Cross multiply
    14,050.69x = 21,075.54 × 3,520.80
  4. Step 4: Simplify right side
    14,050.69x = 74,202,743.63
  5. Step 5: Solve for x
    x = 74,202,743.63/14,050.69
  6. Step 6: Final answer
    x = 5,281.07

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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.