Home / 18,631.62-25,693.96-14,375.93

Finding the Fourth Proportional to 18,631.62, 25,693.96 and 14,375.93

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Solution

The fourth proportional to 18,631.62, 25,693.96 and 14,375.93 is: 19,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.62 : 25,693.96 = 14,375.93 : x
  2. Step 2: Convert to fraction form
    18,631.62/25,693.96 = 14,375.93/x
  3. Step 3: Cross multiply
    18,631.62x = 25,693.96 × 14,375.93
  4. Step 4: Simplify right side
    18,631.62x = 369,374,577.46
  5. Step 5: Solve for x
    x = 369,374,577.46/18,631.62
  6. Step 6: Final answer
    x = 19,825.15

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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.