Home / 13,413.49-18,506.83-10,572.04

Finding the Fourth Proportional to 13,413.49, 18,506.83 and 10,572.04

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Solution

The fourth proportional to 13,413.49, 18,506.83 and 10,572.04 is: 14,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.49 : 18,506.83 = 10,572.04 : x
  2. Step 2: Convert to fraction form
    13,413.49/18,506.83 = 10,572.04/x
  3. Step 3: Cross multiply
    13,413.49x = 18,506.83 × 10,572.04
  4. Step 4: Simplify right side
    13,413.49x = 195,654,947.03
  5. Step 5: Solve for x
    x = 195,654,947.03/13,413.49
  6. Step 6: Final answer
    x = 14,586.43

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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.