Home / 13,960.96-19,248.16-11,433.76

Finding the Fourth Proportional to 13,960.96, 19,248.16 and 11,433.76

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Solution

The fourth proportional to 13,960.96, 19,248.16 and 11,433.76 is: 15,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.96 : 19,248.16 = 11,433.76 : x
  2. Step 2: Convert to fraction form
    13,960.96/19,248.16 = 11,433.76/x
  3. Step 3: Cross multiply
    13,960.96x = 19,248.16 × 11,433.76
  4. Step 4: Simplify right side
    13,960.96x = 220,078,841.88
  5. Step 5: Solve for x
    x = 220,078,841.88/13,960.96
  6. Step 6: Final answer
    x = 15,763.88

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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.