Home / 18,186.01-25,095.87-10,120.07

Finding the Fourth Proportional to 18,186.01, 25,095.87 and 10,120.07

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Solution

The fourth proportional to 18,186.01, 25,095.87 and 10,120.07 is: 13,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.01 : 25,095.87 = 10,120.07 : x
  2. Step 2: Convert to fraction form
    18,186.01/25,095.87 = 10,120.07/x
  3. Step 3: Cross multiply
    18,186.01x = 25,095.87 × 10,120.07
  4. Step 4: Simplify right side
    18,186.01x = 253,971,961.11
  5. Step 5: Solve for x
    x = 253,971,961.11/18,186.01
  6. Step 6: Final answer
    x = 13,965.24

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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.