Home / 17,364.90-26,039.55-5,515.32

Finding the Fourth Proportional to 17,364.90, 26,039.55 and 5,515.32

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Solution

The fourth proportional to 17,364.90, 26,039.55 and 5,515.32 is: 8,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,364.90 : 26,039.55 = 5,515.32 : x
  2. Step 2: Convert to fraction form
    17,364.90/26,039.55 = 5,515.32/x
  3. Step 3: Cross multiply
    17,364.90x = 26,039.55 × 5,515.32
  4. Step 4: Simplify right side
    17,364.90x = 143,616,450.91
  5. Step 5: Solve for x
    x = 143,616,450.91/17,364.90
  6. Step 6: Final answer
    x = 8,270.50

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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.