Home / 19,297.63-28,894.40-12,617.56

Finding the Fourth Proportional to 19,297.63, 28,894.40 and 12,617.56

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Solution

The fourth proportional to 19,297.63, 28,894.40 and 12,617.56 is: 18,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.63 : 28,894.40 = 12,617.56 : x
  2. Step 2: Convert to fraction form
    19,297.63/28,894.40 = 12,617.56/x
  3. Step 3: Cross multiply
    19,297.63x = 28,894.40 × 12,617.56
  4. Step 4: Simplify right side
    19,297.63x = 364,576,825.66
  5. Step 5: Solve for x
    x = 364,576,825.66/19,297.63
  6. Step 6: Final answer
    x = 18,892.31

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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.