Home / 13,472.68-18,530.61-10,814.26

Finding the Fourth Proportional to 13,472.68, 18,530.61 and 10,814.26

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Solution

The fourth proportional to 13,472.68, 18,530.61 and 10,814.26 is: 14,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.68 : 18,530.61 = 10,814.26 : x
  2. Step 2: Convert to fraction form
    13,472.68/18,530.61 = 10,814.26/x
  3. Step 3: Cross multiply
    13,472.68x = 18,530.61 × 10,814.26
  4. Step 4: Simplify right side
    13,472.68x = 200,394,834.50
  5. Step 5: Solve for x
    x = 200,394,834.50/13,472.68
  6. Step 6: Final answer
    x = 14,874.16

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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.