Home / 14,229.09-19,636.29-8,258.58

Finding the Fourth Proportional to 14,229.09, 19,636.29 and 8,258.58

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Solution

The fourth proportional to 14,229.09, 19,636.29 and 8,258.58 is: 11,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.09 : 19,636.29 = 8,258.58 : x
  2. Step 2: Convert to fraction form
    14,229.09/19,636.29 = 8,258.58/x
  3. Step 3: Cross multiply
    14,229.09x = 19,636.29 × 8,258.58
  4. Step 4: Simplify right side
    14,229.09x = 162,167,871.87
  5. Step 5: Solve for x
    x = 162,167,871.87/14,229.09
  6. Step 6: Final answer
    x = 11,396.93

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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.