Home / 13,994.34-19,311.93-7,706.58

Finding the Fourth Proportional to 13,994.34, 19,311.93 and 7,706.58

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Solution

The fourth proportional to 13,994.34, 19,311.93 and 7,706.58 is: 10,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.34 : 19,311.93 = 7,706.58 : x
  2. Step 2: Convert to fraction form
    13,994.34/19,311.93 = 7,706.58/x
  3. Step 3: Cross multiply
    13,994.34x = 19,311.93 × 7,706.58
  4. Step 4: Simplify right side
    13,994.34x = 148,828,933.50
  5. Step 5: Solve for x
    x = 148,828,933.50/13,994.34
  6. Step 6: Final answer
    x = 10,634.94

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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.