Home / 14,072.14-21,110.64-6,280.66

Finding the Fourth Proportional to 14,072.14, 21,110.64 and 6,280.66

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Solution

The fourth proportional to 14,072.14, 21,110.64 and 6,280.66 is: 9,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.14 : 21,110.64 = 6,280.66 : x
  2. Step 2: Convert to fraction form
    14,072.14/21,110.64 = 6,280.66/x
  3. Step 3: Cross multiply
    14,072.14x = 21,110.64 × 6,280.66
  4. Step 4: Simplify right side
    14,072.14x = 132,588,752.22
  5. Step 5: Solve for x
    x = 132,588,752.22/14,072.14
  6. Step 6: Final answer
    x = 9,422.07

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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.