Home / 14,141.17-21,206.85-4,277.80

Finding the Fourth Proportional to 14,141.17, 21,206.85 and 4,277.80

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Solution

The fourth proportional to 14,141.17, 21,206.85 and 4,277.80 is: 6,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.17 : 21,206.85 = 4,277.80 : x
  2. Step 2: Convert to fraction form
    14,141.17/21,206.85 = 4,277.80/x
  3. Step 3: Cross multiply
    14,141.17x = 21,206.85 × 4,277.80
  4. Step 4: Simplify right side
    14,141.17x = 90,718,662.93
  5. Step 5: Solve for x
    x = 90,718,662.93/14,141.17
  6. Step 6: Final answer
    x = 6,415.22

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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.