Home / 25,081.35-37,612.50-8,210.43

Finding the Fourth Proportional to 25,081.35, 37,612.50 and 8,210.43

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Solution

The fourth proportional to 25,081.35, 37,612.50 and 8,210.43 is: 12,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.35 : 37,612.50 = 8,210.43 : x
  2. Step 2: Convert to fraction form
    25,081.35/37,612.50 = 8,210.43/x
  3. Step 3: Cross multiply
    25,081.35x = 37,612.50 × 8,210.43
  4. Step 4: Simplify right side
    25,081.35x = 308,814,798.38
  5. Step 5: Solve for x
    x = 308,814,798.38/25,081.35
  6. Step 6: Final answer
    x = 12,312.53

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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.