Home / 25,007.63-34,511.42-13,676.45

Finding the Fourth Proportional to 25,007.63, 34,511.42 and 13,676.45

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Solution

The fourth proportional to 25,007.63, 34,511.42 and 13,676.45 is: 18,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.63 : 34,511.42 = 13,676.45 : x
  2. Step 2: Convert to fraction form
    25,007.63/34,511.42 = 13,676.45/x
  3. Step 3: Cross multiply
    25,007.63x = 34,511.42 × 13,676.45
  4. Step 4: Simplify right side
    25,007.63x = 471,993,830.53
  5. Step 5: Solve for x
    x = 471,993,830.53/25,007.63
  6. Step 6: Final answer
    x = 18,873.99

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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.