Home / 13,177.08-18,190.98-10,186.16

Finding the Fourth Proportional to 13,177.08, 18,190.98 and 10,186.16

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Solution

The fourth proportional to 13,177.08, 18,190.98 and 10,186.16 is: 14,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.08 : 18,190.98 = 10,186.16 : x
  2. Step 2: Convert to fraction form
    13,177.08/18,190.98 = 10,186.16/x
  3. Step 3: Cross multiply
    13,177.08x = 18,190.98 × 10,186.16
  4. Step 4: Simplify right side
    13,177.08x = 185,296,141.88
  5. Step 5: Solve for x
    x = 185,296,141.88/13,177.08
  6. Step 6: Final answer
    x = 14,062.00

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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.