Home / 25,838.22-35,660.64-15,772.53

Finding the Fourth Proportional to 25,838.22, 35,660.64 and 15,772.53

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Solution

The fourth proportional to 25,838.22, 35,660.64 and 15,772.53 is: 21,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838.22 : 35,660.64 = 15,772.53 : x
  2. Step 2: Convert to fraction form
    25,838.22/35,660.64 = 15,772.53/x
  3. Step 3: Cross multiply
    25,838.22x = 35,660.64 × 15,772.53
  4. Step 4: Simplify right side
    25,838.22x = 562,458,335.92
  5. Step 5: Solve for x
    x = 562,458,335.92/25,838.22
  6. Step 6: Final answer
    x = 21,768.47

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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.