Home / 14,505.52-20,016.48-8,216.32

Finding the Fourth Proportional to 14,505.52, 20,016.48 and 8,216.32

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Solution

The fourth proportional to 14,505.52, 20,016.48 and 8,216.32 is: 11,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.52 : 20,016.48 = 8,216.32 : x
  2. Step 2: Convert to fraction form
    14,505.52/20,016.48 = 8,216.32/x
  3. Step 3: Cross multiply
    14,505.52x = 20,016.48 × 8,216.32
  4. Step 4: Simplify right side
    14,505.52x = 164,461,804.95
  5. Step 5: Solve for x
    x = 164,461,804.95/14,505.52
  6. Step 6: Final answer
    x = 11,337.88

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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.