Home / 23,700.20-32,708.21-13,631.90

Finding the Fourth Proportional to 23,700.20, 32,708.21 and 13,631.90

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Solution

The fourth proportional to 23,700.20, 32,708.21 and 13,631.90 is: 18,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,700.20 : 32,708.21 = 13,631.90 : x
  2. Step 2: Convert to fraction form
    23,700.20/32,708.21 = 13,631.90/x
  3. Step 3: Cross multiply
    23,700.20x = 32,708.21 × 13,631.90
  4. Step 4: Simplify right side
    23,700.20x = 445,875,047.90
  5. Step 5: Solve for x
    x = 445,875,047.90/23,700.20
  6. Step 6: Final answer
    x = 18,813.13

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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.