Home / 13,173.58-18,186.15-10,182.66

Finding the Fourth Proportional to 13,173.58, 18,186.15 and 10,182.66

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Solution

The fourth proportional to 13,173.58, 18,186.15 and 10,182.66 is: 14,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.58 : 18,186.15 = 10,182.66 : x
  2. Step 2: Convert to fraction form
    13,173.58/18,186.15 = 10,182.66/x
  3. Step 3: Cross multiply
    13,173.58x = 18,186.15 × 10,182.66
  4. Step 4: Simplify right side
    13,173.58x = 185,183,382.16
  5. Step 5: Solve for x
    x = 185,183,382.16/13,173.58
  6. Step 6: Final answer
    x = 14,057.18

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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.