Home / 25,448.06-35,111.10-20,053.78

Finding the Fourth Proportional to 25,448.06, 35,111.10 and 20,053.78

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Solution

The fourth proportional to 25,448.06, 35,111.10 and 20,053.78 is: 27,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.06 : 35,111.10 = 20,053.78 : x
  2. Step 2: Convert to fraction form
    25,448.06/35,111.10 = 20,053.78/x
  3. Step 3: Cross multiply
    25,448.06x = 35,111.10 × 20,053.78
  4. Step 4: Simplify right side
    25,448.06x = 704,110,274.96
  5. Step 5: Solve for x
    x = 704,110,274.96/25,448.06
  6. Step 6: Final answer
    x = 27,668.52

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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.