Home / 27,553.08-38,023.64-14,977.84

Finding the Fourth Proportional to 27,553.08, 38,023.64 and 14,977.84

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Solution

The fourth proportional to 27,553.08, 38,023.64 and 14,977.84 is: 20,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.08 : 38,023.64 = 14,977.84 : x
  2. Step 2: Convert to fraction form
    27,553.08/38,023.64 = 14,977.84/x
  3. Step 3: Cross multiply
    27,553.08x = 38,023.64 × 14,977.84
  4. Step 4: Simplify right side
    27,553.08x = 569,511,996.14
  5. Step 5: Solve for x
    x = 569,511,996.14/27,553.08
  6. Step 6: Final answer
    x = 20,669.63

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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.