Home / 24,421.80-36,632.70-18,516.90

Finding the Fourth Proportional to 24,421.80, 36,632.70 and 18,516.90

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Solution

The fourth proportional to 24,421.80, 36,632.70 and 18,516.90 is: 27,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,421.80 : 36,632.70 = 18,516.90 : x
  2. Step 2: Convert to fraction form
    24,421.80/36,632.70 = 18,516.90/x
  3. Step 3: Cross multiply
    24,421.80x = 36,632.70 × 18,516.90
  4. Step 4: Simplify right side
    24,421.80x = 678,324,042.63
  5. Step 5: Solve for x
    x = 678,324,042.63/24,421.80
  6. Step 6: Final answer
    x = 27,775.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.