Home / 28,467.96-42,703.50-11,829.66

Finding the Fourth Proportional to 28,467.96, 42,703.50 and 11,829.66

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Solution

The fourth proportional to 28,467.96, 42,703.50 and 11,829.66 is: 17,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.96 : 42,703.50 = 11,829.66 : x
  2. Step 2: Convert to fraction form
    28,467.96/42,703.50 = 11,829.66/x
  3. Step 3: Cross multiply
    28,467.96x = 42,703.50 × 11,829.66
  4. Step 4: Simplify right side
    28,467.96x = 505,167,885.81
  5. Step 5: Solve for x
    x = 505,167,885.81/28,467.96
  6. Step 6: Final answer
    x = 17,745.14

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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.