Home / 19,446.80-26,829.86-10,947.56

Finding the Fourth Proportional to 19,446.80, 26,829.86 and 10,947.56

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Solution

The fourth proportional to 19,446.80, 26,829.86 and 10,947.56 is: 15,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.80 : 26,829.86 = 10,947.56 : x
  2. Step 2: Convert to fraction form
    19,446.80/26,829.86 = 10,947.56/x
  3. Step 3: Cross multiply
    19,446.80x = 26,829.86 × 10,947.56
  4. Step 4: Simplify right side
    19,446.80x = 293,721,502.14
  5. Step 5: Solve for x
    x = 293,721,502.14/19,446.80
  6. Step 6: Final answer
    x = 15,103.85

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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.