Home / 17,420.69-26,113.16-6,886.43

Finding the Fourth Proportional to 17,420.69, 26,113.16 and 6,886.43

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Solution

The fourth proportional to 17,420.69, 26,113.16 and 6,886.43 is: 10,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.69 : 26,113.16 = 6,886.43 : x
  2. Step 2: Convert to fraction form
    17,420.69/26,113.16 = 6,886.43/x
  3. Step 3: Cross multiply
    17,420.69x = 26,113.16 × 6,886.43
  4. Step 4: Simplify right side
    17,420.69x = 179,826,413.99
  5. Step 5: Solve for x
    x = 179,826,413.99/17,420.69
  6. Step 6: Final answer
    x = 10,322.58

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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.