Home / 14,785.62-20,411.64-9,413.52

Finding the Fourth Proportional to 14,785.62, 20,411.64 and 9,413.52

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Solution

The fourth proportional to 14,785.62, 20,411.64 and 9,413.52 is: 12,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.62 : 20,411.64 = 9,413.52 : x
  2. Step 2: Convert to fraction form
    14,785.62/20,411.64 = 9,413.52/x
  3. Step 3: Cross multiply
    14,785.62x = 20,411.64 × 9,413.52
  4. Step 4: Simplify right side
    14,785.62x = 192,145,381.37
  5. Step 5: Solve for x
    x = 192,145,381.37/14,785.62
  6. Step 6: Final answer
    x = 12,995.42

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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.