Home / 25,255.43-37,875.83-8,615.09

Finding the Fourth Proportional to 25,255.43, 37,875.83 and 8,615.09

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Solution

The fourth proportional to 25,255.43, 37,875.83 and 8,615.09 is: 12,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.43 : 37,875.83 = 8,615.09 : x
  2. Step 2: Convert to fraction form
    25,255.43/37,875.83 = 8,615.09/x
  3. Step 3: Cross multiply
    25,255.43x = 37,875.83 × 8,615.09
  4. Step 4: Simplify right side
    25,255.43x = 326,303,494.90
  5. Step 5: Solve for x
    x = 326,303,494.90/25,255.43
  6. Step 6: Final answer
    x = 12,920.13

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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.