Home / 25,106.86-37,650.66-8,462.40

Finding the Fourth Proportional to 25,106.86, 37,650.66 and 8,462.40

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Solution

The fourth proportional to 25,106.86, 37,650.66 and 8,462.40 is: 12,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.86 : 37,650.66 = 8,462.40 : x
  2. Step 2: Convert to fraction form
    25,106.86/37,650.66 = 8,462.40/x
  3. Step 3: Cross multiply
    25,106.86x = 37,650.66 × 8,462.40
  4. Step 4: Simplify right side
    25,106.86x = 318,614,945.18
  5. Step 5: Solve for x
    x = 318,614,945.18/25,106.86
  6. Step 6: Final answer
    x = 12,690.35

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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.