Home / 25,605.91-38,410.08-12,442.60

Finding the Fourth Proportional to 25,605.91, 38,410.08 and 12,442.60

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Solution

The fourth proportional to 25,605.91, 38,410.08 and 12,442.60 is: 18,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.91 : 38,410.08 = 12,442.60 : x
  2. Step 2: Convert to fraction form
    25,605.91/38,410.08 = 12,442.60/x
  3. Step 3: Cross multiply
    25,605.91x = 38,410.08 × 12,442.60
  4. Step 4: Simplify right side
    25,605.91x = 477,921,261.41
  5. Step 5: Solve for x
    x = 477,921,261.41/25,605.91
  6. Step 6: Final answer
    x = 18,664.49

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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.