Home / 17,319.15-25,980.55-5,629.64

Finding the Fourth Proportional to 17,319.15, 25,980.55 and 5,629.64

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Solution

The fourth proportional to 17,319.15, 25,980.55 and 5,629.64 is: 8,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.15 : 25,980.55 = 5,629.64 : x
  2. Step 2: Convert to fraction form
    17,319.15/25,980.55 = 5,629.64/x
  3. Step 3: Cross multiply
    17,319.15x = 25,980.55 × 5,629.64
  4. Step 4: Simplify right side
    17,319.15x = 146,260,999.53
  5. Step 5: Solve for x
    x = 146,260,999.53/17,319.15
  6. Step 6: Final answer
    x = 8,445.04

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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.