Home / 13,994.08-19,311.96-7,706.48

Finding the Fourth Proportional to 13,994.08, 19,311.96 and 7,706.48

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Solution

The fourth proportional to 13,994.08, 19,311.96 and 7,706.48 is: 10,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.08 : 19,311.96 = 7,706.48 : x
  2. Step 2: Convert to fraction form
    13,994.08/19,311.96 = 7,706.48/x
  3. Step 3: Cross multiply
    13,994.08x = 19,311.96 × 7,706.48
  4. Step 4: Simplify right side
    13,994.08x = 148,827,233.50
  5. Step 5: Solve for x
    x = 148,827,233.50/13,994.08
  6. Step 6: Final answer
    x = 10,635.01

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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.