Home / 16,705.90-25,038.60-9,672.40

Finding the Fourth Proportional to 16,705.90, 25,038.60 and 9,672.40

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Solution

The fourth proportional to 16,705.90, 25,038.60 and 9,672.40 is: 14,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.90 : 25,038.60 = 9,672.40 : x
  2. Step 2: Convert to fraction form
    16,705.90/25,038.60 = 9,672.40/x
  3. Step 3: Cross multiply
    16,705.90x = 25,038.60 × 9,672.40
  4. Step 4: Simplify right side
    16,705.90x = 242,183,354.64
  5. Step 5: Solve for x
    x = 242,183,354.64/16,705.90
  6. Step 6: Final answer
    x = 14,496.88

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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.