Home / 14,515.84-21,771.12-6,616.52

Finding the Fourth Proportional to 14,515.84, 21,771.12 and 6,616.52

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Solution

The fourth proportional to 14,515.84, 21,771.12 and 6,616.52 is: 9,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.84 : 21,771.12 = 6,616.52 : x
  2. Step 2: Convert to fraction form
    14,515.84/21,771.12 = 6,616.52/x
  3. Step 3: Cross multiply
    14,515.84x = 21,771.12 × 6,616.52
  4. Step 4: Simplify right side
    14,515.84x = 144,049,050.90
  5. Step 5: Solve for x
    x = 144,049,050.90/14,515.84
  6. Step 6: Final answer
    x = 9,923.58

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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.