Home / 14,363.46-19,821.33-8,075.70

Finding the Fourth Proportional to 14,363.46, 19,821.33 and 8,075.70

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Solution

The fourth proportional to 14,363.46, 19,821.33 and 8,075.70 is: 11,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.46 : 19,821.33 = 8,075.70 : x
  2. Step 2: Convert to fraction form
    14,363.46/19,821.33 = 8,075.70/x
  3. Step 3: Cross multiply
    14,363.46x = 19,821.33 × 8,075.70
  4. Step 4: Simplify right side
    14,363.46x = 160,071,114.68
  5. Step 5: Solve for x
    x = 160,071,114.68/14,363.46
  6. Step 6: Final answer
    x = 11,144.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.