Home / 15,996.87-22,075.72-8,923.75

Finding the Fourth Proportional to 15,996.87, 22,075.72 and 8,923.75

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Solution

The fourth proportional to 15,996.87, 22,075.72 and 8,923.75 is: 12,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.87 : 22,075.72 = 8,923.75 : x
  2. Step 2: Convert to fraction form
    15,996.87/22,075.72 = 8,923.75/x
  3. Step 3: Cross multiply
    15,996.87x = 22,075.72 × 8,923.75
  4. Step 4: Simplify right side
    15,996.87x = 196,998,206.35
  5. Step 5: Solve for x
    x = 196,998,206.35/15,996.87
  6. Step 6: Final answer
    x = 12,314.80

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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.