Home / 30,065.14-41,489.70-16,636.14

Finding the Fourth Proportional to 30,065.14, 41,489.70 and 16,636.14

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Solution

The fourth proportional to 30,065.14, 41,489.70 and 16,636.14 is: 22,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.14 : 41,489.70 = 16,636.14 : x
  2. Step 2: Convert to fraction form
    30,065.14/41,489.70 = 16,636.14/x
  3. Step 3: Cross multiply
    30,065.14x = 41,489.70 × 16,636.14
  4. Step 4: Simplify right side
    30,065.14x = 690,228,457.76
  5. Step 5: Solve for x
    x = 690,228,457.76/30,065.14
  6. Step 6: Final answer
    x = 22,957.77

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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.