Home / 20,587.93-28,413.45-14,850.16

Finding the Fourth Proportional to 20,587.93, 28,413.45 and 14,850.16

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Solution

The fourth proportional to 20,587.93, 28,413.45 and 14,850.16 is: 20,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.93 : 28,413.45 = 14,850.16 : x
  2. Step 2: Convert to fraction form
    20,587.93/28,413.45 = 14,850.16/x
  3. Step 3: Cross multiply
    20,587.93x = 28,413.45 × 14,850.16
  4. Step 4: Simplify right side
    20,587.93x = 421,944,278.65
  5. Step 5: Solve for x
    x = 421,944,278.65/20,587.93
  6. Step 6: Final answer
    x = 20,494.74

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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.