Home / 16,907.30-25,359.15-5,220.62

Finding the Fourth Proportional to 16,907.30, 25,359.15 and 5,220.62

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Solution

The fourth proportional to 16,907.30, 25,359.15 and 5,220.62 is: 7,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.30 : 25,359.15 = 5,220.62 : x
  2. Step 2: Convert to fraction form
    16,907.30/25,359.15 = 5,220.62/x
  3. Step 3: Cross multiply
    16,907.30x = 25,359.15 × 5,220.62
  4. Step 4: Simplify right side
    16,907.30x = 132,390,485.67
  5. Step 5: Solve for x
    x = 132,390,485.67/16,907.30
  6. Step 6: Final answer
    x = 7,830.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.