Home / 15,460.89-23,173.38-7,123.40

Finding the Fourth Proportional to 15,460.89, 23,173.38 and 7,123.40

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Solution

The fourth proportional to 15,460.89, 23,173.38 and 7,123.40 is: 10,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.89 : 23,173.38 = 7,123.40 : x
  2. Step 2: Convert to fraction form
    15,460.89/23,173.38 = 7,123.40/x
  3. Step 3: Cross multiply
    15,460.89x = 23,173.38 × 7,123.40
  4. Step 4: Simplify right side
    15,460.89x = 165,073,313.03
  5. Step 5: Solve for x
    x = 165,073,313.03/15,460.89
  6. Step 6: Final answer
    x = 10,676.83

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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.