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Finding the Fourth Proportional to 14,413.02, 19,893.16 and 9,368.48

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Solution

The fourth proportional to 14,413.02, 19,893.16 and 9,368.48 is: 12,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.02 : 19,893.16 = 9,368.48 : x
  2. Step 2: Convert to fraction form
    14,413.02/19,893.16 = 9,368.48/x
  3. Step 3: Cross multiply
    14,413.02x = 19,893.16 × 9,368.48
  4. Step 4: Simplify right side
    14,413.02x = 186,368,671.60
  5. Step 5: Solve for x
    x = 186,368,671.60/14,413.02
  6. Step 6: Final answer
    x = 12,930.58

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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.