Home / 14,122.44-19,491.30-7,836.84

Finding the Fourth Proportional to 14,122.44, 19,491.30 and 7,836.84

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Solution

The fourth proportional to 14,122.44, 19,491.30 and 7,836.84 is: 10,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.44 : 19,491.30 = 7,836.84 : x
  2. Step 2: Convert to fraction form
    14,122.44/19,491.30 = 7,836.84/x
  3. Step 3: Cross multiply
    14,122.44x = 19,491.30 × 7,836.84
  4. Step 4: Simplify right side
    14,122.44x = 152,750,199.49
  5. Step 5: Solve for x
    x = 152,750,199.49/14,122.44
  6. Step 6: Final answer
    x = 10,816.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.