Home / 22,779.86-34,098.68-16,782.72

Finding the Fourth Proportional to 22,779.86, 34,098.68 and 16,782.72

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Solution

The fourth proportional to 22,779.86, 34,098.68 and 16,782.72 is: 25,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.86 : 34,098.68 = 16,782.72 : x
  2. Step 2: Convert to fraction form
    22,779.86/34,098.68 = 16,782.72/x
  3. Step 3: Cross multiply
    22,779.86x = 34,098.68 × 16,782.72
  4. Step 4: Simplify right side
    22,779.86x = 572,268,598.81
  5. Step 5: Solve for x
    x = 572,268,598.81/22,779.86
  6. Step 6: Final answer
    x = 25,121.69

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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.