Home / 29,413.16-40,573.86-18,638.24

Finding the Fourth Proportional to 29,413.16, 40,573.86 and 18,638.24

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Solution

The fourth proportional to 29,413.16, 40,573.86 and 18,638.24 is: 25,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,413.16 : 40,573.86 = 18,638.24 : x
  2. Step 2: Convert to fraction form
    29,413.16/40,573.86 = 18,638.24/x
  3. Step 3: Cross multiply
    29,413.16x = 40,573.86 × 18,638.24
  4. Step 4: Simplify right side
    29,413.16x = 756,225,340.41
  5. Step 5: Solve for x
    x = 756,225,340.41/29,413.16
  6. Step 6: Final answer
    x = 25,710.44

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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.