Home / 17,928.08-26,893.32-4,780.16

Finding the Fourth Proportional to 17,928.08, 26,893.32 and 4,780.16

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Solution

The fourth proportional to 17,928.08, 26,893.32 and 4,780.16 is: 7,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.08 : 26,893.32 = 4,780.16 : x
  2. Step 2: Convert to fraction form
    17,928.08/26,893.32 = 4,780.16/x
  3. Step 3: Cross multiply
    17,928.08x = 26,893.32 × 4,780.16
  4. Step 4: Simplify right side
    17,928.08x = 128,554,372.53
  5. Step 5: Solve for x
    x = 128,554,372.53/17,928.08
  6. Step 6: Final answer
    x = 7,170.56

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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.