Home / 13,994.08-19,311.60-7,707.04

Finding the Fourth Proportional to 13,994.08, 19,311.60 and 7,707.04

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Solution

The fourth proportional to 13,994.08, 19,311.60 and 7,707.04 is: 10,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.08 : 19,311.60 = 7,707.04 : x
  2. Step 2: Convert to fraction form
    13,994.08/19,311.60 = 7,707.04/x
  3. Step 3: Cross multiply
    13,994.08x = 19,311.60 × 7,707.04
  4. Step 4: Simplify right side
    13,994.08x = 148,835,273.66
  5. Step 5: Solve for x
    x = 148,835,273.66/13,994.08
  6. Step 6: Final answer
    x = 10,635.59

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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.