Home / 25,627.60-38,441.40-16,872.40

Finding the Fourth Proportional to 25,627.60, 38,441.40 and 16,872.40

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Solution

The fourth proportional to 25,627.60, 38,441.40 and 16,872.40 is: 25,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.60 : 38,441.40 = 16,872.40 : x
  2. Step 2: Convert to fraction form
    25,627.60/38,441.40 = 16,872.40/x
  3. Step 3: Cross multiply
    25,627.60x = 38,441.40 × 16,872.40
  4. Step 4: Simplify right side
    25,627.60x = 648,598,677.36
  5. Step 5: Solve for x
    x = 648,598,677.36/25,627.60
  6. Step 6: Final answer
    x = 25,308.60

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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.