Home / 27,125.40-37,408.08-18,612.50

Finding the Fourth Proportional to 27,125.40, 37,408.08 and 18,612.50

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Solution

The fourth proportional to 27,125.40, 37,408.08 and 18,612.50 is: 25,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.40 : 37,408.08 = 18,612.50 : x
  2. Step 2: Convert to fraction form
    27,125.40/37,408.08 = 18,612.50/x
  3. Step 3: Cross multiply
    27,125.40x = 37,408.08 × 18,612.50
  4. Step 4: Simplify right side
    27,125.40x = 696,257,772.44
  5. Step 5: Solve for x
    x = 696,257,772.44/27,125.40
  6. Step 6: Final answer
    x = 25,668.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.