Home / 13,788.66-19,028.39-7,501.04

Finding the Fourth Proportional to 13,788.66, 19,028.39 and 7,501.04

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Solution

The fourth proportional to 13,788.66, 19,028.39 and 7,501.04 is: 10,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.66 : 19,028.39 = 7,501.04 : x
  2. Step 2: Convert to fraction form
    13,788.66/19,028.39 = 7,501.04/x
  3. Step 3: Cross multiply
    13,788.66x = 19,028.39 × 7,501.04
  4. Step 4: Simplify right side
    13,788.66x = 142,732,653.23
  5. Step 5: Solve for x
    x = 142,732,653.23/13,788.66
  6. Step 6: Final answer
    x = 10,351.45

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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.