Home / 13,956.93-19,280.16-12,695.76

Finding the Fourth Proportional to 13,956.93, 19,280.16 and 12,695.76

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Solution

The fourth proportional to 13,956.93, 19,280.16 and 12,695.76 is: 17,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.93 : 19,280.16 = 12,695.76 : x
  2. Step 2: Convert to fraction form
    13,956.93/19,280.16 = 12,695.76/x
  3. Step 3: Cross multiply
    13,956.93x = 19,280.16 × 12,695.76
  4. Step 4: Simplify right side
    13,956.93x = 244,776,124.24
  5. Step 5: Solve for x
    x = 244,776,124.24/13,956.93
  6. Step 6: Final answer
    x = 17,537.97

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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.