Home / 16,770.18-25,156.13-4,290.31

Finding the Fourth Proportional to 16,770.18, 25,156.13 and 4,290.31

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Solution

The fourth proportional to 16,770.18, 25,156.13 and 4,290.31 is: 6,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.18 : 25,156.13 = 4,290.31 : x
  2. Step 2: Convert to fraction form
    16,770.18/25,156.13 = 4,290.31/x
  3. Step 3: Cross multiply
    16,770.18x = 25,156.13 × 4,290.31
  4. Step 4: Simplify right side
    16,770.18x = 107,927,638.27
  5. Step 5: Solve for x
    x = 107,927,638.27/16,770.18
  6. Step 6: Final answer
    x = 6,435.69

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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.