Home / 14,171.10-19,559.10-11,357.16

Finding the Fourth Proportional to 14,171.10, 19,559.10 and 11,357.16

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Solution

The fourth proportional to 14,171.10, 19,559.10 and 11,357.16 is: 15,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.10 : 19,559.10 = 11,357.16 : x
  2. Step 2: Convert to fraction form
    14,171.10/19,559.10 = 11,357.16/x
  3. Step 3: Cross multiply
    14,171.10x = 19,559.10 × 11,357.16
  4. Step 4: Simplify right side
    14,171.10x = 222,135,828.16
  5. Step 5: Solve for x
    x = 222,135,828.16/14,171.10
  6. Step 6: Final answer
    x = 15,675.27

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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.