Home / 13,990.54-19,314.08-10,796.66

Finding the Fourth Proportional to 13,990.54, 19,314.08 and 10,796.66

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Solution

The fourth proportional to 13,990.54, 19,314.08 and 10,796.66 is: 14,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.54 : 19,314.08 = 10,796.66 : x
  2. Step 2: Convert to fraction form
    13,990.54/19,314.08 = 10,796.66/x
  3. Step 3: Cross multiply
    13,990.54x = 19,314.08 × 10,796.66
  4. Step 4: Simplify right side
    13,990.54x = 208,527,554.97
  5. Step 5: Solve for x
    x = 208,527,554.97/13,990.54
  6. Step 6: Final answer
    x = 14,904.90

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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.