Home / 13,681.50-20,524.44-5,784.10

Finding the Fourth Proportional to 13,681.50, 20,524.44 and 5,784.10

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Solution

The fourth proportional to 13,681.50, 20,524.44 and 5,784.10 is: 8,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.50 : 20,524.44 = 5,784.10 : x
  2. Step 2: Convert to fraction form
    13,681.50/20,524.44 = 5,784.10/x
  3. Step 3: Cross multiply
    13,681.50x = 20,524.44 × 5,784.10
  4. Step 4: Simplify right side
    13,681.50x = 118,715,413.40
  5. Step 5: Solve for x
    x = 118,715,413.40/13,681.50
  6. Step 6: Final answer
    x = 8,677.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.