Home / 19,413.91-29,114.70-8,317.63

Finding the Fourth Proportional to 19,413.91, 29,114.70 and 8,317.63

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Solution

The fourth proportional to 19,413.91, 29,114.70 and 8,317.63 is: 12,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.91 : 29,114.70 = 8,317.63 : x
  2. Step 2: Convert to fraction form
    19,413.91/29,114.70 = 8,317.63/x
  3. Step 3: Cross multiply
    19,413.91x = 29,114.70 × 8,317.63
  4. Step 4: Simplify right side
    19,413.91x = 242,165,302.16
  5. Step 5: Solve for x
    x = 242,165,302.16/19,413.91
  6. Step 6: Final answer
    x = 12,473.80

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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.