Home / 27,912.40-38,513.64-16,585.36

Finding the Fourth Proportional to 27,912.40, 38,513.64 and 16,585.36

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Solution

The fourth proportional to 27,912.40, 38,513.64 and 16,585.36 is: 22,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.40 : 38,513.64 = 16,585.36 : x
  2. Step 2: Convert to fraction form
    27,912.40/38,513.64 = 16,585.36/x
  3. Step 3: Cross multiply
    27,912.40x = 38,513.64 × 16,585.36
  4. Step 4: Simplify right side
    27,912.40x = 638,762,584.31
  5. Step 5: Solve for x
    x = 638,762,584.31/27,912.40
  6. Step 6: Final answer
    x = 22,884.55

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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.