Home / 16,833.90-25,176.69-12,405.90

Finding the Fourth Proportional to 16,833.90, 25,176.69 and 12,405.90

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Solution

The fourth proportional to 16,833.90, 25,176.69 and 12,405.90 is: 18,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.90 : 25,176.69 = 12,405.90 : x
  2. Step 2: Convert to fraction form
    16,833.90/25,176.69 = 12,405.90/x
  3. Step 3: Cross multiply
    16,833.90x = 25,176.69 × 12,405.90
  4. Step 4: Simplify right side
    16,833.90x = 312,339,498.47
  5. Step 5: Solve for x
    x = 312,339,498.47/16,833.90
  6. Step 6: Final answer
    x = 18,554.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.