Home / 19,773.63-27,286.61-11,276.10

Finding the Fourth Proportional to 19,773.63, 27,286.61 and 11,276.10

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Solution

The fourth proportional to 19,773.63, 27,286.61 and 11,276.10 is: 15,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.63 : 27,286.61 = 11,276.10 : x
  2. Step 2: Convert to fraction form
    19,773.63/27,286.61 = 11,276.10/x
  3. Step 3: Cross multiply
    19,773.63x = 27,286.61 × 11,276.10
  4. Step 4: Simplify right side
    19,773.63x = 307,686,486.64
  5. Step 5: Solve for x
    x = 307,686,486.64/19,773.63
  6. Step 6: Final answer
    x = 15,560.45

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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.