Home / 19,030.14-28,529.82-7,945.29

Finding the Fourth Proportional to 19,030.14, 28,529.82 and 7,945.29

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Solution

The fourth proportional to 19,030.14, 28,529.82 and 7,945.29 is: 11,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.14 : 28,529.82 = 7,945.29 : x
  2. Step 2: Convert to fraction form
    19,030.14/28,529.82 = 7,945.29/x
  3. Step 3: Cross multiply
    19,030.14x = 28,529.82 × 7,945.29
  4. Step 4: Simplify right side
    19,030.14x = 226,677,693.55
  5. Step 5: Solve for x
    x = 226,677,693.55/19,030.14
  6. Step 6: Final answer
    x = 11,911.51

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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.