Home / 13,123.26-19,685.31-4,357.92

Finding the Fourth Proportional to 13,123.26, 19,685.31 and 4,357.92

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Solution

The fourth proportional to 13,123.26, 19,685.31 and 4,357.92 is: 6,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.26 : 19,685.31 = 4,357.92 : x
  2. Step 2: Convert to fraction form
    13,123.26/19,685.31 = 4,357.92/x
  3. Step 3: Cross multiply
    13,123.26x = 19,685.31 × 4,357.92
  4. Step 4: Simplify right side
    13,123.26x = 85,787,006.16
  5. Step 5: Solve for x
    x = 85,787,006.16/13,123.26
  6. Step 6: Final answer
    x = 6,537.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.