Home / 25,404.34-38,107.68-12,267.76

Finding the Fourth Proportional to 25,404.34, 38,107.68 and 12,267.76

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Solution

The fourth proportional to 25,404.34, 38,107.68 and 12,267.76 is: 18,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404.34 : 38,107.68 = 12,267.76 : x
  2. Step 2: Convert to fraction form
    25,404.34/38,107.68 = 12,267.76/x
  3. Step 3: Cross multiply
    25,404.34x = 38,107.68 × 12,267.76
  4. Step 4: Simplify right side
    25,404.34x = 467,495,872.40
  5. Step 5: Solve for x
    x = 467,495,872.40/25,404.34
  6. Step 6: Final answer
    x = 18,402.20

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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.