Home / 14,189.05-21,296.70-7,174.01

Finding the Fourth Proportional to 14,189.05, 21,296.70 and 7,174.01

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Solution

The fourth proportional to 14,189.05, 21,296.70 and 7,174.01 is: 10,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.05 : 21,296.70 = 7,174.01 : x
  2. Step 2: Convert to fraction form
    14,189.05/21,296.70 = 7,174.01/x
  3. Step 3: Cross multiply
    14,189.05x = 21,296.70 × 7,174.01
  4. Step 4: Simplify right side
    14,189.05x = 152,782,596.41
  5. Step 5: Solve for x
    x = 152,782,596.41/14,189.05
  6. Step 6: Final answer
    x = 10,767.64

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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.