Home / 16,810.80-25,217.82-6,281.40

Finding the Fourth Proportional to 16,810.80, 25,217.82 and 6,281.40

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Solution

The fourth proportional to 16,810.80, 25,217.82 and 6,281.40 is: 9,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.80 : 25,217.82 = 6,281.40 : x
  2. Step 2: Convert to fraction form
    16,810.80/25,217.82 = 6,281.40/x
  3. Step 3: Cross multiply
    16,810.80x = 25,217.82 × 6,281.40
  4. Step 4: Simplify right side
    16,810.80x = 158,403,214.55
  5. Step 5: Solve for x
    x = 158,403,214.55/16,810.80
  6. Step 6: Final answer
    x = 9,422.71

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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.