Home / 14,755.79-20,345.25-12,057.03

Finding the Fourth Proportional to 14,755.79, 20,345.25 and 12,057.03

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Solution

The fourth proportional to 14,755.79, 20,345.25 and 12,057.03 is: 16,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.79 : 20,345.25 = 12,057.03 : x
  2. Step 2: Convert to fraction form
    14,755.79/20,345.25 = 12,057.03/x
  3. Step 3: Cross multiply
    14,755.79x = 20,345.25 × 12,057.03
  4. Step 4: Simplify right side
    14,755.79x = 245,303,289.61
  5. Step 5: Solve for x
    x = 245,303,289.61/14,755.79
  6. Step 6: Final answer
    x = 16,624.21

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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.