Home / 18,815.64-25,906.14-16,569.24

Finding the Fourth Proportional to 18,815.64, 25,906.14 and 16,569.24

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Solution

The fourth proportional to 18,815.64, 25,906.14 and 16,569.24 is: 22,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.64 : 25,906.14 = 16,569.24 : x
  2. Step 2: Convert to fraction form
    18,815.64/25,906.14 = 16,569.24/x
  3. Step 3: Cross multiply
    18,815.64x = 25,906.14 × 16,569.24
  4. Step 4: Simplify right side
    18,815.64x = 429,245,051.13
  5. Step 5: Solve for x
    x = 429,245,051.13/18,815.64
  6. Step 6: Final answer
    x = 22,813.20

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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.