Home / 14,825.77-20,459.48-8,111.27

Finding the Fourth Proportional to 14,825.77, 20,459.48 and 8,111.27

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Solution

The fourth proportional to 14,825.77, 20,459.48 and 8,111.27 is: 11,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.77 : 20,459.48 = 8,111.27 : x
  2. Step 2: Convert to fraction form
    14,825.77/20,459.48 = 8,111.27/x
  3. Step 3: Cross multiply
    14,825.77x = 20,459.48 × 8,111.27
  4. Step 4: Simplify right side
    14,825.77x = 165,952,376.93
  5. Step 5: Solve for x
    x = 165,952,376.93/14,825.77
  6. Step 6: Final answer
    x = 11,193.51

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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.