Home / 19,216.56-28,829.58-5,365.56

Finding the Fourth Proportional to 19,216.56, 28,829.58 and 5,365.56

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Solution

The fourth proportional to 19,216.56, 28,829.58 and 5,365.56 is: 8,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.56 : 28,829.58 = 5,365.56 : x
  2. Step 2: Convert to fraction form
    19,216.56/28,829.58 = 5,365.56/x
  3. Step 3: Cross multiply
    19,216.56x = 28,829.58 × 5,365.56
  4. Step 4: Simplify right side
    19,216.56x = 154,686,841.26
  5. Step 5: Solve for x
    x = 154,686,841.26/19,216.56
  6. Step 6: Final answer
    x = 8,049.66

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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.