Home / 14,251.84-21,378.12-6,753.64

Finding the Fourth Proportional to 14,251.84, 21,378.12 and 6,753.64

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Solution

The fourth proportional to 14,251.84, 21,378.12 and 6,753.64 is: 10,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.84 : 21,378.12 = 6,753.64 : x
  2. Step 2: Convert to fraction form
    14,251.84/21,378.12 = 6,753.64/x
  3. Step 3: Cross multiply
    14,251.84x = 21,378.12 × 6,753.64
  4. Step 4: Simplify right side
    14,251.84x = 144,380,126.36
  5. Step 5: Solve for x
    x = 144,380,126.36/14,251.84
  6. Step 6: Final answer
    x = 10,130.63

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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.