Home / 19,538.62-26,963.69-11,580.98

Finding the Fourth Proportional to 19,538.62, 26,963.69 and 11,580.98

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Solution

The fourth proportional to 19,538.62, 26,963.69 and 11,580.98 is: 15,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.62 : 26,963.69 = 11,580.98 : x
  2. Step 2: Convert to fraction form
    19,538.62/26,963.69 = 11,580.98/x
  3. Step 3: Cross multiply
    19,538.62x = 26,963.69 × 11,580.98
  4. Step 4: Simplify right side
    19,538.62x = 312,265,761.89
  5. Step 5: Solve for x
    x = 312,265,761.89/19,538.62
  6. Step 6: Final answer
    x = 15,981.98

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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.