Home / 25,769.14-35,578.54-19,790.12

Finding the Fourth Proportional to 25,769.14, 35,578.54 and 19,790.12

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Solution

The fourth proportional to 25,769.14, 35,578.54 and 19,790.12 is: 27,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.14 : 35,578.54 = 19,790.12 : x
  2. Step 2: Convert to fraction form
    25,769.14/35,578.54 = 19,790.12/x
  3. Step 3: Cross multiply
    25,769.14x = 35,578.54 × 19,790.12
  4. Step 4: Simplify right side
    25,769.14x = 704,103,689.71
  5. Step 5: Solve for x
    x = 704,103,689.71/25,769.14
  6. Step 6: Final answer
    x = 27,323.53

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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.