Home / 21,794.04-30,075.35-12,234.15

Finding the Fourth Proportional to 21,794.04, 30,075.35 and 12,234.15

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Solution

The fourth proportional to 21,794.04, 30,075.35 and 12,234.15 is: 16,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.04 : 30,075.35 = 12,234.15 : x
  2. Step 2: Convert to fraction form
    21,794.04/30,075.35 = 12,234.15/x
  3. Step 3: Cross multiply
    21,794.04x = 30,075.35 × 12,234.15
  4. Step 4: Simplify right side
    21,794.04x = 367,946,282.03
  5. Step 5: Solve for x
    x = 367,946,282.03/21,794.04
  6. Step 6: Final answer
    x = 16,882.89

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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.