Home / 19,965.55-27,552.35-11,013.04

Finding the Fourth Proportional to 19,965.55, 27,552.35 and 11,013.04

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Solution

The fourth proportional to 19,965.55, 27,552.35 and 11,013.04 is: 15,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.55 : 27,552.35 = 11,013.04 : x
  2. Step 2: Convert to fraction form
    19,965.55/27,552.35 = 11,013.04/x
  3. Step 3: Cross multiply
    19,965.55x = 27,552.35 × 11,013.04
  4. Step 4: Simplify right side
    19,965.55x = 303,435,132.64
  5. Step 5: Solve for x
    x = 303,435,132.64/19,965.55
  6. Step 6: Final answer
    x = 15,197.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.