Home / 13,867.48-19,131.68-8,553.04

Finding the Fourth Proportional to 13,867.48, 19,131.68 and 8,553.04

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Solution

The fourth proportional to 13,867.48, 19,131.68 and 8,553.04 is: 11,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.48 : 19,131.68 = 8,553.04 : x
  2. Step 2: Convert to fraction form
    13,867.48/19,131.68 = 8,553.04/x
  3. Step 3: Cross multiply
    13,867.48x = 19,131.68 × 8,553.04
  4. Step 4: Simplify right side
    13,867.48x = 163,634,024.31
  5. Step 5: Solve for x
    x = 163,634,024.31/13,867.48
  6. Step 6: Final answer
    x = 11,799.84

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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.