Home / 16,668.52-25,003.74-6,280.36

Finding the Fourth Proportional to 16,668.52, 25,003.74 and 6,280.36

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Solution

The fourth proportional to 16,668.52, 25,003.74 and 6,280.36 is: 9,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.52 : 25,003.74 = 6,280.36 : x
  2. Step 2: Convert to fraction form
    16,668.52/25,003.74 = 6,280.36/x
  3. Step 3: Cross multiply
    16,668.52x = 25,003.74 × 6,280.36
  4. Step 4: Simplify right side
    16,668.52x = 157,032,488.55
  5. Step 5: Solve for x
    x = 157,032,488.55/16,668.52
  6. Step 6: Final answer
    x = 9,420.90

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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.