Home / 18,445.88-25,455.31-10,488.59

Finding the Fourth Proportional to 18,445.88, 25,455.31 and 10,488.59

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Solution

The fourth proportional to 18,445.88, 25,455.31 and 10,488.59 is: 14,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.88 : 25,455.31 = 10,488.59 : x
  2. Step 2: Convert to fraction form
    18,445.88/25,455.31 = 10,488.59/x
  3. Step 3: Cross multiply
    18,445.88x = 25,455.31 × 10,488.59
  4. Step 4: Simplify right side
    18,445.88x = 266,990,310.87
  5. Step 5: Solve for x
    x = 266,990,310.87/18,445.88
  6. Step 6: Final answer
    x = 14,474.25

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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.