Home / 25,160.54-37,740.69-6,440.54

Finding the Fourth Proportional to 25,160.54, 37,740.69 and 6,440.54

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Solution

The fourth proportional to 25,160.54, 37,740.69 and 6,440.54 is: 9,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,160.54 : 37,740.69 = 6,440.54 : x
  2. Step 2: Convert to fraction form
    25,160.54/37,740.69 = 6,440.54/x
  3. Step 3: Cross multiply
    25,160.54x = 37,740.69 × 6,440.54
  4. Step 4: Simplify right side
    25,160.54x = 243,070,234.87
  5. Step 5: Solve for x
    x = 243,070,234.87/25,160.54
  6. Step 6: Final answer
    x = 9,660.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.