Home / 14,427.20-21,640.80-4,567.32

Finding the Fourth Proportional to 14,427.20, 21,640.80 and 4,567.32

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Solution

The fourth proportional to 14,427.20, 21,640.80 and 4,567.32 is: 6,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.20 : 21,640.80 = 4,567.32 : x
  2. Step 2: Convert to fraction form
    14,427.20/21,640.80 = 4,567.32/x
  3. Step 3: Cross multiply
    14,427.20x = 21,640.80 × 4,567.32
  4. Step 4: Simplify right side
    14,427.20x = 98,840,458.66
  5. Step 5: Solve for x
    x = 98,840,458.66/14,427.20
  6. Step 6: Final answer
    x = 6,850.98

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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.