Home / 14,605.52-20,163.35-11,702.64

Finding the Fourth Proportional to 14,605.52, 20,163.35 and 11,702.64

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Solution

The fourth proportional to 14,605.52, 20,163.35 and 11,702.64 is: 16,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.52 : 20,163.35 = 11,702.64 : x
  2. Step 2: Convert to fraction form
    14,605.52/20,163.35 = 11,702.64/x
  3. Step 3: Cross multiply
    14,605.52x = 20,163.35 × 11,702.64
  4. Step 4: Simplify right side
    14,605.52x = 235,964,531.11
  5. Step 5: Solve for x
    x = 235,964,531.11/14,605.52
  6. Step 6: Final answer
    x = 16,155.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.