Home / 20,038.92-27,653.88-11,086.71

Finding the Fourth Proportional to 20,038.92, 27,653.88 and 11,086.71

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Solution

The fourth proportional to 20,038.92, 27,653.88 and 11,086.71 is: 15,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.92 : 27,653.88 = 11,086.71 : x
  2. Step 2: Convert to fraction form
    20,038.92/27,653.88 = 11,086.71/x
  3. Step 3: Cross multiply
    20,038.92x = 27,653.88 × 11,086.71
  4. Step 4: Simplify right side
    20,038.92x = 306,590,547.93
  5. Step 5: Solve for x
    x = 306,590,547.93/20,038.92
  6. Step 6: Final answer
    x = 15,299.75

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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.