Home / 25,693.68-35,456.63-15,622.41

Finding the Fourth Proportional to 25,693.68, 35,456.63 and 15,622.41

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Solution

The fourth proportional to 25,693.68, 35,456.63 and 15,622.41 is: 21,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.68 : 35,456.63 = 15,622.41 : x
  2. Step 2: Convert to fraction form
    25,693.68/35,456.63 = 15,622.41/x
  3. Step 3: Cross multiply
    25,693.68x = 35,456.63 × 15,622.41
  4. Step 4: Simplify right side
    25,693.68x = 553,917,932.97
  5. Step 5: Solve for x
    x = 553,917,932.97/25,693.68
  6. Step 6: Final answer
    x = 21,558.53

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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.