Home / 19,231.32-28,829.88-7,552.68

Finding the Fourth Proportional to 19,231.32, 28,829.88 and 7,552.68

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Solution

The fourth proportional to 19,231.32, 28,829.88 and 7,552.68 is: 11,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.32 : 28,829.88 = 7,552.68 : x
  2. Step 2: Convert to fraction form
    19,231.32/28,829.88 = 7,552.68/x
  3. Step 3: Cross multiply
    19,231.32x = 28,829.88 × 7,552.68
  4. Step 4: Simplify right side
    19,231.32x = 217,742,858.08
  5. Step 5: Solve for x
    x = 217,742,858.08/19,231.32
  6. Step 6: Final answer
    x = 11,322.30

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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.