Home / 24,186.20-36,236.10-19,779.80

Finding the Fourth Proportional to 24,186.20, 36,236.10 and 19,779.80

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Solution

The fourth proportional to 24,186.20, 36,236.10 and 19,779.80 is: 29,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,186.20 : 36,236.10 = 19,779.80 : x
  2. Step 2: Convert to fraction form
    24,186.20/36,236.10 = 19,779.80/x
  3. Step 3: Cross multiply
    24,186.20x = 36,236.10 × 19,779.80
  4. Step 4: Simplify right side
    24,186.20x = 716,742,810.78
  5. Step 5: Solve for x
    x = 716,742,810.78/24,186.20
  6. Step 6: Final answer
    x = 29,634.37

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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.