Home / 14,028.09-19,358.51-7,740.33

Finding the Fourth Proportional to 14,028.09, 19,358.51 and 7,740.33

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Solution

The fourth proportional to 14,028.09, 19,358.51 and 7,740.33 is: 10,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.09 : 19,358.51 = 7,740.33 : x
  2. Step 2: Convert to fraction form
    14,028.09/19,358.51 = 7,740.33/x
  3. Step 3: Cross multiply
    14,028.09x = 19,358.51 × 7,740.33
  4. Step 4: Simplify right side
    14,028.09x = 149,841,217.01
  5. Step 5: Solve for x
    x = 149,841,217.01/14,028.09
  6. Step 6: Final answer
    x = 10,681.51

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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.