Home / 25,402.73-38,128.68-12,264.32

Finding the Fourth Proportional to 25,402.73, 38,128.68 and 12,264.32

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Solution

The fourth proportional to 25,402.73, 38,128.68 and 12,264.32 is: 18,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.73 : 38,128.68 = 12,264.32 : x
  2. Step 2: Convert to fraction form
    25,402.73/38,128.68 = 12,264.32/x
  3. Step 3: Cross multiply
    25,402.73x = 38,128.68 × 12,264.32
  4. Step 4: Simplify right side
    25,402.73x = 467,622,142.05
  5. Step 5: Solve for x
    x = 467,622,142.05/25,402.73
  6. Step 6: Final answer
    x = 18,408.35

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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.