Home / 18,173.45-25,079.67-10,107.77

Finding the Fourth Proportional to 18,173.45, 25,079.67 and 10,107.77

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Solution

The fourth proportional to 18,173.45, 25,079.67 and 10,107.77 is: 13,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.45 : 25,079.67 = 10,107.77 : x
  2. Step 2: Convert to fraction form
    18,173.45/25,079.67 = 10,107.77/x
  3. Step 3: Cross multiply
    18,173.45x = 25,079.67 × 10,107.77
  4. Step 4: Simplify right side
    18,173.45x = 253,499,536.04
  5. Step 5: Solve for x
    x = 253,499,536.04/18,173.45
  6. Step 6: Final answer
    x = 13,948.89

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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.