Home / 13,343.10-19,995.21-7,501.38

Finding the Fourth Proportional to 13,343.10, 19,995.21 and 7,501.38

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Solution

The fourth proportional to 13,343.10, 19,995.21 and 7,501.38 is: 11,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.10 : 19,995.21 = 7,501.38 : x
  2. Step 2: Convert to fraction form
    13,343.10/19,995.21 = 7,501.38/x
  3. Step 3: Cross multiply
    13,343.10x = 19,995.21 × 7,501.38
  4. Step 4: Simplify right side
    13,343.10x = 149,991,668.39
  5. Step 5: Solve for x
    x = 149,991,668.39/13,343.10
  6. Step 6: Final answer
    x = 11,241.14

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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.