Home / 35,682.80-53,519.96-9,389.60

Finding the Fourth Proportional to 35,682.80, 53,519.96 and 9,389.60

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Solution

The fourth proportional to 35,682.80, 53,519.96 and 9,389.60 is: 14,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682.80 : 53,519.96 = 9,389.60 : x
  2. Step 2: Convert to fraction form
    35,682.80/53,519.96 = 9,389.60/x
  3. Step 3: Cross multiply
    35,682.80x = 53,519.96 × 9,389.60
  4. Step 4: Simplify right side
    35,682.80x = 502,531,016.42
  5. Step 5: Solve for x
    x = 502,531,016.42/35,682.80
  6. Step 6: Final answer
    x = 14,083.28

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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.