Home / 14,413.18-19,891.12-8,125.96

Finding the Fourth Proportional to 14,413.18, 19,891.12 and 8,125.96

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Solution

The fourth proportional to 14,413.18, 19,891.12 and 8,125.96 is: 11,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.18 : 19,891.12 = 8,125.96 : x
  2. Step 2: Convert to fraction form
    14,413.18/19,891.12 = 8,125.96/x
  3. Step 3: Cross multiply
    14,413.18x = 19,891.12 × 8,125.96
  4. Step 4: Simplify right side
    14,413.18x = 161,634,445.48
  5. Step 5: Solve for x
    x = 161,634,445.48/14,413.18
  6. Step 6: Final answer
    x = 11,214.35

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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.