Home / 23,487.21-32,411.13-13,413.66

Finding the Fourth Proportional to 23,487.21, 32,411.13 and 13,413.66

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Solution

The fourth proportional to 23,487.21, 32,411.13 and 13,413.66 is: 18,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487.21 : 32,411.13 = 13,413.66 : x
  2. Step 2: Convert to fraction form
    23,487.21/32,411.13 = 13,413.66/x
  3. Step 3: Cross multiply
    23,487.21x = 32,411.13 × 13,413.66
  4. Step 4: Simplify right side
    23,487.21x = 434,751,878.04
  5. Step 5: Solve for x
    x = 434,751,878.04/23,487.21
  6. Step 6: Final answer
    x = 18,510.15

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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.