Home / 35,681.04-53,524.44-11,987.64

Finding the Fourth Proportional to 35,681.04, 53,524.44 and 11,987.64

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Solution

The fourth proportional to 35,681.04, 53,524.44 and 11,987.64 is: 17,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.04 : 53,524.44 = 11,987.64 : x
  2. Step 2: Convert to fraction form
    35,681.04/53,524.44 = 11,987.64/x
  3. Step 3: Cross multiply
    35,681.04x = 53,524.44 × 11,987.64
  4. Step 4: Simplify right side
    35,681.04x = 641,631,717.92
  5. Step 5: Solve for x
    x = 641,631,717.92/35,681.04
  6. Step 6: Final answer
    x = 17,982.43

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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.