Home / 25,819.66-35,628.51-15,743.26

Finding the Fourth Proportional to 25,819.66, 35,628.51 and 15,743.26

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Solution

The fourth proportional to 25,819.66, 35,628.51 and 15,743.26 is: 21,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.66 : 35,628.51 = 15,743.26 : x
  2. Step 2: Convert to fraction form
    25,819.66/35,628.51 = 15,743.26/x
  3. Step 3: Cross multiply
    25,819.66x = 35,628.51 × 15,743.26
  4. Step 4: Simplify right side
    25,819.66x = 560,908,896.34
  5. Step 5: Solve for x
    x = 560,908,896.34/25,819.66
  6. Step 6: Final answer
    x = 21,724.10

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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.