Home / 19,911.64-27,473.65-11,523.28

Finding the Fourth Proportional to 19,911.64, 27,473.65 and 11,523.28

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Solution

The fourth proportional to 19,911.64, 27,473.65 and 11,523.28 is: 15,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.64 : 27,473.65 = 11,523.28 : x
  2. Step 2: Convert to fraction form
    19,911.64/27,473.65 = 11,523.28/x
  3. Step 3: Cross multiply
    19,911.64x = 27,473.65 × 11,523.28
  4. Step 4: Simplify right side
    19,911.64x = 316,586,631.92
  5. Step 5: Solve for x
    x = 316,586,631.92/19,911.64
  6. Step 6: Final answer
    x = 15,899.57

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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.