Home / 16,886.69-25,335.05-5,040.78

Finding the Fourth Proportional to 16,886.69, 25,335.05 and 5,040.78

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Solution

The fourth proportional to 16,886.69, 25,335.05 and 5,040.78 is: 7,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.69 : 25,335.05 = 5,040.78 : x
  2. Step 2: Convert to fraction form
    16,886.69/25,335.05 = 5,040.78/x
  3. Step 3: Cross multiply
    16,886.69x = 25,335.05 × 5,040.78
  4. Step 4: Simplify right side
    16,886.69x = 127,708,413.34
  5. Step 5: Solve for x
    x = 127,708,413.34/16,886.69
  6. Step 6: Final answer
    x = 7,562.67

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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.