Home / 13,573.98-18,687.31-11,804.64

Finding the Fourth Proportional to 13,573.98, 18,687.31 and 11,804.64

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Solution

The fourth proportional to 13,573.98, 18,687.31 and 11,804.64 is: 16,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.98 : 18,687.31 = 11,804.64 : x
  2. Step 2: Convert to fraction form
    13,573.98/18,687.31 = 11,804.64/x
  3. Step 3: Cross multiply
    13,573.98x = 18,687.31 × 11,804.64
  4. Step 4: Simplify right side
    13,573.98x = 220,596,867.53
  5. Step 5: Solve for x
    x = 220,596,867.53/13,573.98
  6. Step 6: Final answer
    x = 16,251.45

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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.