Home / 34,615-47,769.66-19,507.48

Finding the Fourth Proportional to 34,615, 47,769.66 and 19,507.48

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Solution

The fourth proportional to 34,615, 47,769.66 and 19,507.48 is: 26,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615 : 47,769.66 = 19,507.48 : x
  2. Step 2: Convert to fraction form
    34,615/47,769.66 = 19,507.48/x
  3. Step 3: Cross multiply
    34,615x = 47,769.66 × 19,507.48
  4. Step 4: Simplify right side
    34,615x = 931,865,687.06
  5. Step 5: Solve for x
    x = 931,865,687.06/34,615
  6. Step 6: Final answer
    x = 26,920.86

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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.