Home / 28,254.72-42,396.66-11,627.04

Finding the Fourth Proportional to 28,254.72, 42,396.66 and 11,627.04

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Solution

The fourth proportional to 28,254.72, 42,396.66 and 11,627.04 is: 17,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.72 : 42,396.66 = 11,627.04 : x
  2. Step 2: Convert to fraction form
    28,254.72/42,396.66 = 11,627.04/x
  3. Step 3: Cross multiply
    28,254.72x = 42,396.66 × 11,627.04
  4. Step 4: Simplify right side
    28,254.72x = 492,947,661.69
  5. Step 5: Solve for x
    x = 492,947,661.69/28,254.72
  6. Step 6: Final answer
    x = 17,446.56

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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.