Home / 18,138.32-25,033.33-10,180.98

Finding the Fourth Proportional to 18,138.32, 25,033.33 and 10,180.98

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Solution

The fourth proportional to 18,138.32, 25,033.33 and 10,180.98 is: 14,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138.32 : 25,033.33 = 10,180.98 : x
  2. Step 2: Convert to fraction form
    18,138.32/25,033.33 = 10,180.98/x
  3. Step 3: Cross multiply
    18,138.32x = 25,033.33 × 10,180.98
  4. Step 4: Simplify right side
    18,138.32x = 254,863,832.06
  5. Step 5: Solve for x
    x = 254,863,832.06/18,138.32
  6. Step 6: Final answer
    x = 14,051.13

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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.