Home / 53,052.02-79,578.04-13,609.13

Finding the Fourth Proportional to 53,052.02, 79,578.04 and 13,609.13

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Solution

The fourth proportional to 53,052.02, 79,578.04 and 13,609.13 is: 20,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,052.02 : 79,578.04 = 13,609.13 : x
  2. Step 2: Convert to fraction form
    53,052.02/79,578.04 = 13,609.13/x
  3. Step 3: Cross multiply
    53,052.02x = 79,578.04 × 13,609.13
  4. Step 4: Simplify right side
    53,052.02x = 1,082,987,891.51
  5. Step 5: Solve for x
    x = 1,082,987,891.51/53,052.02
  6. Step 6: Final answer
    x = 20,413.70

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Double scale
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Similar ratio
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1.5x scale

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.