Home / 14,295.48-21,442.56-3,907.20

Finding the Fourth Proportional to 14,295.48, 21,442.56 and 3,907.20

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Solution

The fourth proportional to 14,295.48, 21,442.56 and 3,907.20 is: 5,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.48 : 21,442.56 = 3,907.20 : x
  2. Step 2: Convert to fraction form
    14,295.48/21,442.56 = 3,907.20/x
  3. Step 3: Cross multiply
    14,295.48x = 21,442.56 × 3,907.20
  4. Step 4: Simplify right side
    14,295.48x = 83,780,370.43
  5. Step 5: Solve for x
    x = 83,780,370.43/14,295.48
  6. Step 6: Final answer
    x = 5,860.62

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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.