Home / 19,935.38-27,508.75-12,277.43

Finding the Fourth Proportional to 19,935.38, 27,508.75 and 12,277.43

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Solution

The fourth proportional to 19,935.38, 27,508.75 and 12,277.43 is: 16,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.38 : 27,508.75 = 12,277.43 : x
  2. Step 2: Convert to fraction form
    19,935.38/27,508.75 = 12,277.43/x
  3. Step 3: Cross multiply
    19,935.38x = 27,508.75 × 12,277.43
  4. Step 4: Simplify right side
    19,935.38x = 337,736,752.51
  5. Step 5: Solve for x
    x = 337,736,752.51/19,935.38
  6. Step 6: Final answer
    x = 16,941.58

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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.