Home / 14,523.75-21,786.84-5,758.74

Finding the Fourth Proportional to 14,523.75, 21,786.84 and 5,758.74

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Solution

The fourth proportional to 14,523.75, 21,786.84 and 5,758.74 is: 8,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.75 : 21,786.84 = 5,758.74 : x
  2. Step 2: Convert to fraction form
    14,523.75/21,786.84 = 5,758.74/x
  3. Step 3: Cross multiply
    14,523.75x = 21,786.84 × 5,758.74
  4. Step 4: Simplify right side
    14,523.75x = 125,464,746.98
  5. Step 5: Solve for x
    x = 125,464,746.98/14,523.75
  6. Step 6: Final answer
    x = 8,638.59

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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.