Home / 14,223.12-21,333.06-6,724.98

Finding the Fourth Proportional to 14,223.12, 21,333.06 and 6,724.98

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Solution

The fourth proportional to 14,223.12, 21,333.06 and 6,724.98 is: 10,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.12 : 21,333.06 = 6,724.98 : x
  2. Step 2: Convert to fraction form
    14,223.12/21,333.06 = 6,724.98/x
  3. Step 3: Cross multiply
    14,223.12x = 21,333.06 × 6,724.98
  4. Step 4: Simplify right side
    14,223.12x = 143,464,401.84
  5. Step 5: Solve for x
    x = 143,464,401.84/14,223.12
  6. Step 6: Final answer
    x = 10,086.70

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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.