Home / 13,964.96-19,272.74-7,998.55

Finding the Fourth Proportional to 13,964.96, 19,272.74 and 7,998.55

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Solution

The fourth proportional to 13,964.96, 19,272.74 and 7,998.55 is: 11,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.96 : 19,272.74 = 7,998.55 : x
  2. Step 2: Convert to fraction form
    13,964.96/19,272.74 = 7,998.55/x
  3. Step 3: Cross multiply
    13,964.96x = 19,272.74 × 7,998.55
  4. Step 4: Simplify right side
    13,964.96x = 154,153,886.35
  5. Step 5: Solve for x
    x = 154,153,886.35/13,964.96
  6. Step 6: Final answer
    x = 11,038.62

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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.