Home / 13,322.88-19,986.21-5,927.16

Finding the Fourth Proportional to 13,322.88, 19,986.21 and 5,927.16

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Solution

The fourth proportional to 13,322.88, 19,986.21 and 5,927.16 is: 8,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.88 : 19,986.21 = 5,927.16 : x
  2. Step 2: Convert to fraction form
    13,322.88/19,986.21 = 5,927.16/x
  3. Step 3: Cross multiply
    13,322.88x = 19,986.21 × 5,927.16
  4. Step 4: Simplify right side
    13,322.88x = 118,461,464.46
  5. Step 5: Solve for x
    x = 118,461,464.46/13,322.88
  6. Step 6: Final answer
    x = 8,891.58

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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.