Home / 15,427.53-23,142.38-7,634.25

Finding the Fourth Proportional to 15,427.53, 23,142.38 and 7,634.25

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Solution

The fourth proportional to 15,427.53, 23,142.38 and 7,634.25 is: 11,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.53 : 23,142.38 = 7,634.25 : x
  2. Step 2: Convert to fraction form
    15,427.53/23,142.38 = 7,634.25/x
  3. Step 3: Cross multiply
    15,427.53x = 23,142.38 × 7,634.25
  4. Step 4: Simplify right side
    15,427.53x = 176,674,676.34
  5. Step 5: Solve for x
    x = 176,674,676.34/15,427.53
  6. Step 6: Final answer
    x = 11,451.91

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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.