Home / 14,122.49-21,187.16-4,261.17

Finding the Fourth Proportional to 14,122.49, 21,187.16 and 4,261.17

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Solution

The fourth proportional to 14,122.49, 21,187.16 and 4,261.17 is: 6,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.49 : 21,187.16 = 4,261.17 : x
  2. Step 2: Convert to fraction form
    14,122.49/21,187.16 = 4,261.17/x
  3. Step 3: Cross multiply
    14,122.49x = 21,187.16 × 4,261.17
  4. Step 4: Simplify right side
    14,122.49x = 90,282,069.27
  5. Step 5: Solve for x
    x = 90,282,069.27/14,122.49
  6. Step 6: Final answer
    x = 6,392.79

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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.