Home / 35,609.76-53,376.97-13,413.53

Finding the Fourth Proportional to 35,609.76, 53,376.97 and 13,413.53

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Solution

The fourth proportional to 35,609.76, 53,376.97 and 13,413.53 is: 20,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.76 : 53,376.97 = 13,413.53 : x
  2. Step 2: Convert to fraction form
    35,609.76/53,376.97 = 13,413.53/x
  3. Step 3: Cross multiply
    35,609.76x = 53,376.97 × 13,413.53
  4. Step 4: Simplify right side
    35,609.76x = 715,973,421.43
  5. Step 5: Solve for x
    x = 715,973,421.43/35,609.76
  6. Step 6: Final answer
    x = 20,106.10

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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.