Home / 14,322.80-19,706.28-11,609.84

Finding the Fourth Proportional to 14,322.80, 19,706.28 and 11,609.84

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Solution

The fourth proportional to 14,322.80, 19,706.28 and 11,609.84 is: 15,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.80 : 19,706.28 = 11,609.84 : x
  2. Step 2: Convert to fraction form
    14,322.80/19,706.28 = 11,609.84/x
  3. Step 3: Cross multiply
    14,322.80x = 19,706.28 × 11,609.84
  4. Step 4: Simplify right side
    14,322.80x = 228,786,757.80
  5. Step 5: Solve for x
    x = 228,786,757.80/14,322.80
  6. Step 6: Final answer
    x = 15,973.61

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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.