Home / 14,609.38-21,919.59-8,770.06

Finding the Fourth Proportional to 14,609.38, 21,919.59 and 8,770.06

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Solution

The fourth proportional to 14,609.38, 21,919.59 and 8,770.06 is: 13,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.38 : 21,919.59 = 8,770.06 : x
  2. Step 2: Convert to fraction form
    14,609.38/21,919.59 = 8,770.06/x
  3. Step 3: Cross multiply
    14,609.38x = 21,919.59 × 8,770.06
  4. Step 4: Simplify right side
    14,609.38x = 192,236,119.48
  5. Step 5: Solve for x
    x = 192,236,119.48/14,609.38
  6. Step 6: Final answer
    x = 13,158.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.