Home / 32,779.10-45,234.99-18,634.68

Finding the Fourth Proportional to 32,779.10, 45,234.99 and 18,634.68

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Solution

The fourth proportional to 32,779.10, 45,234.99 and 18,634.68 is: 25,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779.10 : 45,234.99 = 18,634.68 : x
  2. Step 2: Convert to fraction form
    32,779.10/45,234.99 = 18,634.68/x
  3. Step 3: Cross multiply
    32,779.10x = 45,234.99 × 18,634.68
  4. Step 4: Simplify right side
    32,779.10x = 842,939,563.45
  5. Step 5: Solve for x
    x = 842,939,563.45/32,779.10
  6. Step 6: Final answer
    x = 25,715.76

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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.