Home / 35,685.27-53,528.77-11,993.16

Finding the Fourth Proportional to 35,685.27, 53,528.77 and 11,993.16

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Solution

The fourth proportional to 35,685.27, 53,528.77 and 11,993.16 is: 17,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.27 : 53,528.77 = 11,993.16 : x
  2. Step 2: Convert to fraction form
    35,685.27/53,528.77 = 11,993.16/x
  3. Step 3: Cross multiply
    35,685.27x = 53,528.77 × 11,993.16
  4. Step 4: Simplify right side
    35,685.27x = 641,979,103.21
  5. Step 5: Solve for x
    x = 641,979,103.21/35,685.27
  6. Step 6: Final answer
    x = 17,990.03

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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.