Home / 18,820.65-25,907.30-16,267.24

Finding the Fourth Proportional to 18,820.65, 25,907.30 and 16,267.24

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Solution

The fourth proportional to 18,820.65, 25,907.30 and 16,267.24 is: 22,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.65 : 25,907.30 = 16,267.24 : x
  2. Step 2: Convert to fraction form
    18,820.65/25,907.30 = 16,267.24/x
  3. Step 3: Cross multiply
    18,820.65x = 25,907.30 × 16,267.24
  4. Step 4: Simplify right side
    18,820.65x = 421,440,266.85
  5. Step 5: Solve for x
    x = 421,440,266.85/18,820.65
  6. Step 6: Final answer
    x = 22,392.44

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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.