Home / 14,609.50-21,903.31-4,742.89

Finding the Fourth Proportional to 14,609.50, 21,903.31 and 4,742.89

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Solution

The fourth proportional to 14,609.50, 21,903.31 and 4,742.89 is: 7,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.50 : 21,903.31 = 4,742.89 : x
  2. Step 2: Convert to fraction form
    14,609.50/21,903.31 = 4,742.89/x
  3. Step 3: Cross multiply
    14,609.50x = 21,903.31 × 4,742.89
  4. Step 4: Simplify right side
    14,609.50x = 103,884,989.97
  5. Step 5: Solve for x
    x = 103,884,989.97/14,609.50
  6. Step 6: Final answer
    x = 7,110.78

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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.