Home / 18,178.39-25,085.85-10,112.01

Finding the Fourth Proportional to 18,178.39, 25,085.85 and 10,112.01

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Solution

The fourth proportional to 18,178.39, 25,085.85 and 10,112.01 is: 13,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.39 : 25,085.85 = 10,112.01 : x
  2. Step 2: Convert to fraction form
    18,178.39/25,085.85 = 10,112.01/x
  3. Step 3: Cross multiply
    18,178.39x = 25,085.85 × 10,112.01
  4. Step 4: Simplify right side
    18,178.39x = 253,668,234.07
  5. Step 5: Solve for x
    x = 253,668,234.07/18,178.39
  6. Step 6: Final answer
    x = 13,954.38

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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.