Home / 14,260.23-19,679.24-7,886.49

Finding the Fourth Proportional to 14,260.23, 19,679.24 and 7,886.49

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Solution

The fourth proportional to 14,260.23, 19,679.24 and 7,886.49 is: 10,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.23 : 19,679.24 = 7,886.49 : x
  2. Step 2: Convert to fraction form
    14,260.23/19,679.24 = 7,886.49/x
  3. Step 3: Cross multiply
    14,260.23x = 19,679.24 × 7,886.49
  4. Step 4: Simplify right side
    14,260.23x = 155,200,129.47
  5. Step 5: Solve for x
    x = 155,200,129.47/14,260.23
  6. Step 6: Final answer
    x = 10,883.42

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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.