Home / 13,882.56-19,151.28-8,575.44

Finding the Fourth Proportional to 13,882.56, 19,151.28 and 8,575.44

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Solution

The fourth proportional to 13,882.56, 19,151.28 and 8,575.44 is: 11,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.56 : 19,151.28 = 8,575.44 : x
  2. Step 2: Convert to fraction form
    13,882.56/19,151.28 = 8,575.44/x
  3. Step 3: Cross multiply
    13,882.56x = 19,151.28 × 8,575.44
  4. Step 4: Simplify right side
    13,882.56x = 164,230,652.56
  5. Step 5: Solve for x
    x = 164,230,652.56/13,882.56
  6. Step 6: Final answer
    x = 11,830.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.