Home / 14,510.14-20,021.25-13,771.96

Finding the Fourth Proportional to 14,510.14, 20,021.25 and 13,771.96

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Solution

The fourth proportional to 14,510.14, 20,021.25 and 13,771.96 is: 19,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.14 : 20,021.25 = 13,771.96 : x
  2. Step 2: Convert to fraction form
    14,510.14/20,021.25 = 13,771.96/x
  3. Step 3: Cross multiply
    14,510.14x = 20,021.25 × 13,771.96
  4. Step 4: Simplify right side
    14,510.14x = 275,731,854.15
  5. Step 5: Solve for x
    x = 275,731,854.15/14,510.14
  6. Step 6: Final answer
    x = 19,002.70

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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.