Home / 16,959.98-25,439.72-4,137.20

Finding the Fourth Proportional to 16,959.98, 25,439.72 and 4,137.20

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Solution

The fourth proportional to 16,959.98, 25,439.72 and 4,137.20 is: 6,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.98 : 25,439.72 = 4,137.20 : x
  2. Step 2: Convert to fraction form
    16,959.98/25,439.72 = 4,137.20/x
  3. Step 3: Cross multiply
    16,959.98x = 25,439.72 × 4,137.20
  4. Step 4: Simplify right side
    16,959.98x = 105,249,209.58
  5. Step 5: Solve for x
    x = 105,249,209.58/16,959.98
  6. Step 6: Final answer
    x = 6,205.74

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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.