Home / 17,281.32-25,921.96-5,435.04

Finding the Fourth Proportional to 17,281.32, 25,921.96 and 5,435.04

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Solution

The fourth proportional to 17,281.32, 25,921.96 and 5,435.04 is: 8,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.32 : 25,921.96 = 5,435.04 : x
  2. Step 2: Convert to fraction form
    17,281.32/25,921.96 = 5,435.04/x
  3. Step 3: Cross multiply
    17,281.32x = 25,921.96 × 5,435.04
  4. Step 4: Simplify right side
    17,281.32x = 140,886,889.48
  5. Step 5: Solve for x
    x = 140,886,889.48/17,281.32
  6. Step 6: Final answer
    x = 8,152.55

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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.