Home / 27,103.63-37,398.09-15,616.75

Finding the Fourth Proportional to 27,103.63, 37,398.09 and 15,616.75

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Solution

The fourth proportional to 27,103.63, 37,398.09 and 15,616.75 is: 21,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.63 : 37,398.09 = 15,616.75 : x
  2. Step 2: Convert to fraction form
    27,103.63/37,398.09 = 15,616.75/x
  3. Step 3: Cross multiply
    27,103.63x = 37,398.09 × 15,616.75
  4. Step 4: Simplify right side
    27,103.63x = 584,036,622.01
  5. Step 5: Solve for x
    x = 584,036,622.01/27,103.63
  6. Step 6: Final answer
    x = 21,548.28

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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.