Home / 13,996.08-19,314.54-7,708.44

Finding the Fourth Proportional to 13,996.08, 19,314.54 and 7,708.44

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Solution

The fourth proportional to 13,996.08, 19,314.54 and 7,708.44 is: 10,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.08 : 19,314.54 = 7,708.44 : x
  2. Step 2: Convert to fraction form
    13,996.08/19,314.54 = 7,708.44/x
  3. Step 3: Cross multiply
    13,996.08x = 19,314.54 × 7,708.44
  4. Step 4: Simplify right side
    13,996.08x = 148,884,972.72
  5. Step 5: Solve for x
    x = 148,884,972.72/13,996.08
  6. Step 6: Final answer
    x = 10,637.62

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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.