Home / 15,413.32-23,120.34-7,100.29

Finding the Fourth Proportional to 15,413.32, 23,120.34 and 7,100.29

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Solution

The fourth proportional to 15,413.32, 23,120.34 and 7,100.29 is: 10,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.32 : 23,120.34 = 7,100.29 : x
  2. Step 2: Convert to fraction form
    15,413.32/23,120.34 = 7,100.29/x
  3. Step 3: Cross multiply
    15,413.32x = 23,120.34 × 7,100.29
  4. Step 4: Simplify right side
    15,413.32x = 164,161,118.90
  5. Step 5: Solve for x
    x = 164,161,118.90/15,413.32
  6. Step 6: Final answer
    x = 10,650.60

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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.