Home / 25,660.08-35,401.12-15,584.72

Finding the Fourth Proportional to 25,660.08, 35,401.12 and 15,584.72

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Solution

The fourth proportional to 25,660.08, 35,401.12 and 15,584.72 is: 21,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,660.08 : 35,401.12 = 15,584.72 : x
  2. Step 2: Convert to fraction form
    25,660.08/35,401.12 = 15,584.72/x
  3. Step 3: Cross multiply
    25,660.08x = 35,401.12 × 15,584.72
  4. Step 4: Simplify right side
    25,660.08x = 551,716,542.89
  5. Step 5: Solve for x
    x = 551,716,542.89/25,660.08
  6. Step 6: Final answer
    x = 21,500.97

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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.