Home / 15,996.42-22,075.53-8,922.69

Finding the Fourth Proportional to 15,996.42, 22,075.53 and 8,922.69

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Solution

The fourth proportional to 15,996.42, 22,075.53 and 8,922.69 is: 12,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.42 : 22,075.53 = 8,922.69 : x
  2. Step 2: Convert to fraction form
    15,996.42/22,075.53 = 8,922.69/x
  3. Step 3: Cross multiply
    15,996.42x = 22,075.53 × 8,922.69
  4. Step 4: Simplify right side
    15,996.42x = 196,973,188.27
  5. Step 5: Solve for x
    x = 196,973,188.27/15,996.42
  6. Step 6: Final answer
    x = 12,313.58

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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.