Home / 14,493.12-21,617.86-13,164.32

Finding the Fourth Proportional to 14,493.12, 21,617.86 and 13,164.32

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Solution

The fourth proportional to 14,493.12, 21,617.86 and 13,164.32 is: 19,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.12 : 21,617.86 = 13,164.32 : x
  2. Step 2: Convert to fraction form
    14,493.12/21,617.86 = 13,164.32/x
  3. Step 3: Cross multiply
    14,493.12x = 21,617.86 × 13,164.32
  4. Step 4: Simplify right side
    14,493.12x = 284,584,426.76
  5. Step 5: Solve for x
    x = 284,584,426.76/14,493.12
  6. Step 6: Final answer
    x = 19,635.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.