Home / 25,148.60-37,720.26-12,663.56

Finding the Fourth Proportional to 25,148.60, 37,720.26 and 12,663.56

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Solution

The fourth proportional to 25,148.60, 37,720.26 and 12,663.56 is: 18,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.60 : 37,720.26 = 12,663.56 : x
  2. Step 2: Convert to fraction form
    25,148.60/37,720.26 = 12,663.56/x
  3. Step 3: Cross multiply
    25,148.60x = 37,720.26 × 12,663.56
  4. Step 4: Simplify right side
    25,148.60x = 477,672,775.73
  5. Step 5: Solve for x
    x = 477,672,775.73/25,148.60
  6. Step 6: Final answer
    x = 18,994.01

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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.