Home / 13,656.33-18,842.31-10,472.88

Finding the Fourth Proportional to 13,656.33, 18,842.31 and 10,472.88

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Solution

The fourth proportional to 13,656.33, 18,842.31 and 10,472.88 is: 14,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.33 : 18,842.31 = 10,472.88 : x
  2. Step 2: Convert to fraction form
    13,656.33/18,842.31 = 10,472.88/x
  3. Step 3: Cross multiply
    13,656.33x = 18,842.31 × 10,472.88
  4. Step 4: Simplify right side
    13,656.33x = 197,333,251.55
  5. Step 5: Solve for x
    x = 197,333,251.55/13,656.33
  6. Step 6: Final answer
    x = 14,449.95

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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.