Home / 13,577.83-20,459.26-11,166.66

Finding the Fourth Proportional to 13,577.83, 20,459.26 and 11,166.66

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Solution

The fourth proportional to 13,577.83, 20,459.26 and 11,166.66 is: 16,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.83 : 20,459.26 = 11,166.66 : x
  2. Step 2: Convert to fraction form
    13,577.83/20,459.26 = 11,166.66/x
  3. Step 3: Cross multiply
    13,577.83x = 20,459.26 × 11,166.66
  4. Step 4: Simplify right side
    13,577.83x = 228,461,600.27
  5. Step 5: Solve for x
    x = 228,461,600.27/13,577.83
  6. Step 6: Final answer
    x = 16,826.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.