Home / 14,122.26-19,488.92-7,748.74

Finding the Fourth Proportional to 14,122.26, 19,488.92 and 7,748.74

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Solution

The fourth proportional to 14,122.26, 19,488.92 and 7,748.74 is: 10,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.26 : 19,488.92 = 7,748.74 : x
  2. Step 2: Convert to fraction form
    14,122.26/19,488.92 = 7,748.74/x
  3. Step 3: Cross multiply
    14,122.26x = 19,488.92 × 7,748.74
  4. Step 4: Simplify right side
    14,122.26x = 151,014,573.96
  5. Step 5: Solve for x
    x = 151,014,573.96/14,122.26
  6. Step 6: Final answer
    x = 10,693.37

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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.