Home / 18,623.10-25,708.95-14,631.42

Finding the Fourth Proportional to 18,623.10, 25,708.95 and 14,631.42

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Solution

The fourth proportional to 18,623.10, 25,708.95 and 14,631.42 is: 20,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.10 : 25,708.95 = 14,631.42 : x
  2. Step 2: Convert to fraction form
    18,623.10/25,708.95 = 14,631.42/x
  3. Step 3: Cross multiply
    18,623.10x = 25,708.95 × 14,631.42
  4. Step 4: Simplify right side
    18,623.10x = 376,158,445.21
  5. Step 5: Solve for x
    x = 376,158,445.21/18,623.10
  6. Step 6: Final answer
    x = 20,198.49

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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.