Home / 18,110.50-27,134.08-12,567.36

Finding the Fourth Proportional to 18,110.50, 27,134.08 and 12,567.36

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Solution

The fourth proportional to 18,110.50, 27,134.08 and 12,567.36 is: 18,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.50 : 27,134.08 = 12,567.36 : x
  2. Step 2: Convert to fraction form
    18,110.50/27,134.08 = 12,567.36/x
  3. Step 3: Cross multiply
    18,110.50x = 27,134.08 × 12,567.36
  4. Step 4: Simplify right side
    18,110.50x = 341,003,751.63
  5. Step 5: Solve for x
    x = 341,003,751.63/18,110.50
  6. Step 6: Final answer
    x = 18,829.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.