Home / 15,290.04-21,086.04-10,183.44

Finding the Fourth Proportional to 15,290.04, 21,086.04 and 10,183.44

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Solution

The fourth proportional to 15,290.04, 21,086.04 and 10,183.44 is: 14,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.04 : 21,086.04 = 10,183.44 : x
  2. Step 2: Convert to fraction form
    15,290.04/21,086.04 = 10,183.44/x
  3. Step 3: Cross multiply
    15,290.04x = 21,086.04 × 10,183.44
  4. Step 4: Simplify right side
    15,290.04x = 214,728,423.18
  5. Step 5: Solve for x
    x = 214,728,423.18/15,290.04
  6. Step 6: Final answer
    x = 14,043.68

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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.