Home / 14,243.53-19,656.13-8,276.37

Finding the Fourth Proportional to 14,243.53, 19,656.13 and 8,276.37

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Solution

The fourth proportional to 14,243.53, 19,656.13 and 8,276.37 is: 11,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.53 : 19,656.13 = 8,276.37 : x
  2. Step 2: Convert to fraction form
    14,243.53/19,656.13 = 8,276.37/x
  3. Step 3: Cross multiply
    14,243.53x = 19,656.13 × 8,276.37
  4. Step 4: Simplify right side
    14,243.53x = 162,681,404.65
  5. Step 5: Solve for x
    x = 162,681,404.65/14,243.53
  6. Step 6: Final answer
    x = 11,421.42

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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.