Home / 18,490.68-25,521.89-11,413.04

Finding the Fourth Proportional to 18,490.68, 25,521.89 and 11,413.04

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Solution

The fourth proportional to 18,490.68, 25,521.89 and 11,413.04 is: 15,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.68 : 25,521.89 = 11,413.04 : x
  2. Step 2: Convert to fraction form
    18,490.68/25,521.89 = 11,413.04/x
  3. Step 3: Cross multiply
    18,490.68x = 25,521.89 × 11,413.04
  4. Step 4: Simplify right side
    18,490.68x = 291,282,166.77
  5. Step 5: Solve for x
    x = 291,282,166.77/18,490.68
  6. Step 6: Final answer
    x = 15,752.92

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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.