Home / 30,175.62-41,642.63-18,246.93

Finding the Fourth Proportional to 30,175.62, 41,642.63 and 18,246.93

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Solution

The fourth proportional to 30,175.62, 41,642.63 and 18,246.93 is: 25,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.62 : 41,642.63 = 18,246.93 : x
  2. Step 2: Convert to fraction form
    30,175.62/41,642.63 = 18,246.93/x
  3. Step 3: Cross multiply
    30,175.62x = 41,642.63 × 18,246.93
  4. Step 4: Simplify right side
    30,175.62x = 759,850,154.63
  5. Step 5: Solve for x
    x = 759,850,154.63/30,175.62
  6. Step 6: Final answer
    x = 25,180.93

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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.