Home / 25,357.22-38,044.86-11,315.98

Finding the Fourth Proportional to 25,357.22, 38,044.86 and 11,315.98

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Solution

The fourth proportional to 25,357.22, 38,044.86 and 11,315.98 is: 16,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.22 : 38,044.86 = 11,315.98 : x
  2. Step 2: Convert to fraction form
    25,357.22/38,044.86 = 11,315.98/x
  3. Step 3: Cross multiply
    25,357.22x = 38,044.86 × 11,315.98
  4. Step 4: Simplify right side
    25,357.22x = 430,514,874.86
  5. Step 5: Solve for x
    x = 430,514,874.86/25,357.22
  6. Step 6: Final answer
    x = 16,978.00

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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.