Home / 19,815.37-27,348.68-15,051.08

Finding the Fourth Proportional to 19,815.37, 27,348.68 and 15,051.08

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Solution

The fourth proportional to 19,815.37, 27,348.68 and 15,051.08 is: 20,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.37 : 27,348.68 = 15,051.08 : x
  2. Step 2: Convert to fraction form
    19,815.37/27,348.68 = 15,051.08/x
  3. Step 3: Cross multiply
    19,815.37x = 27,348.68 × 15,051.08
  4. Step 4: Simplify right side
    19,815.37x = 411,627,208.98
  5. Step 5: Solve for x
    x = 411,627,208.98/19,815.37
  6. Step 6: Final answer
    x = 20,773.13

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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.