Home / 25,560.60-38,343.84-12,403.44

Finding the Fourth Proportional to 25,560.60, 38,343.84 and 12,403.44

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Solution

The fourth proportional to 25,560.60, 38,343.84 and 12,403.44 is: 18,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560.60 : 38,343.84 = 12,403.44 : x
  2. Step 2: Convert to fraction form
    25,560.60/38,343.84 = 12,403.44/x
  3. Step 3: Cross multiply
    25,560.60x = 38,343.84 × 12,403.44
  4. Step 4: Simplify right side
    25,560.60x = 475,595,518.81
  5. Step 5: Solve for x
    x = 475,595,518.81/25,560.60
  6. Step 6: Final answer
    x = 18,606.59

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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.