Home / 25,663.22-38,507.12-12,508.41

Finding the Fourth Proportional to 25,663.22, 38,507.12 and 12,508.41

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Solution

The fourth proportional to 25,663.22, 38,507.12 and 12,508.41 is: 18,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,663.22 : 38,507.12 = 12,508.41 : x
  2. Step 2: Convert to fraction form
    25,663.22/38,507.12 = 12,508.41/x
  3. Step 3: Cross multiply
    25,663.22x = 38,507.12 × 12,508.41
  4. Step 4: Simplify right side
    25,663.22x = 481,662,782.34
  5. Step 5: Solve for x
    x = 481,662,782.34/25,663.22
  6. Step 6: Final answer
    x = 18,768.61

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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.