Home / 14,834.75-20,472.21-10,120.55

Finding the Fourth Proportional to 14,834.75, 20,472.21 and 10,120.55

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Solution

The fourth proportional to 14,834.75, 20,472.21 and 10,120.55 is: 13,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.75 : 20,472.21 = 10,120.55 : x
  2. Step 2: Convert to fraction form
    14,834.75/20,472.21 = 10,120.55/x
  3. Step 3: Cross multiply
    14,834.75x = 20,472.21 × 10,120.55
  4. Step 4: Simplify right side
    14,834.75x = 207,189,922.55
  5. Step 5: Solve for x
    x = 207,189,922.55/14,834.75
  6. Step 6: Final answer
    x = 13,966.53

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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.