Home / 14,015.84-21,017.42-4,151.66

Finding the Fourth Proportional to 14,015.84, 21,017.42 and 4,151.66

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Solution

The fourth proportional to 14,015.84, 21,017.42 and 4,151.66 is: 6,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.84 : 21,017.42 = 4,151.66 : x
  2. Step 2: Convert to fraction form
    14,015.84/21,017.42 = 4,151.66/x
  3. Step 3: Cross multiply
    14,015.84x = 21,017.42 × 4,151.66
  4. Step 4: Simplify right side
    14,015.84x = 87,257,181.92
  5. Step 5: Solve for x
    x = 87,257,181.92/14,015.84
  6. Step 6: Final answer
    x = 6,225.61

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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.