Home / 20,038.36-27,653.20-11,541.97

Finding the Fourth Proportional to 20,038.36, 27,653.20 and 11,541.97

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Solution

The fourth proportional to 20,038.36, 27,653.20 and 11,541.97 is: 15,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.36 : 27,653.20 = 11,541.97 : x
  2. Step 2: Convert to fraction form
    20,038.36/27,653.20 = 11,541.97/x
  3. Step 3: Cross multiply
    20,038.36x = 27,653.20 × 11,541.97
  4. Step 4: Simplify right side
    20,038.36x = 319,172,347.09
  5. Step 5: Solve for x
    x = 319,172,347.09/20,038.36
  6. Step 6: Final answer
    x = 15,928.07

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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.