Home / 17,123.10-25,627.05-15,740.70

Finding the Fourth Proportional to 17,123.10, 25,627.05 and 15,740.70

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Solution

The fourth proportional to 17,123.10, 25,627.05 and 15,740.70 is: 23,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,123.10 : 25,627.05 = 15,740.70 : x
  2. Step 2: Convert to fraction form
    17,123.10/25,627.05 = 15,740.70/x
  3. Step 3: Cross multiply
    17,123.10x = 25,627.05 × 15,740.70
  4. Step 4: Simplify right side
    17,123.10x = 403,387,705.94
  5. Step 5: Solve for x
    x = 403,387,705.94/17,123.10
  6. Step 6: Final answer
    x = 23,558.10

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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.