Home / 18,455.74-27,623.40-14,048.89

Finding the Fourth Proportional to 18,455.74, 27,623.40 and 14,048.89

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Solution

The fourth proportional to 18,455.74, 27,623.40 and 14,048.89 is: 21,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.74 : 27,623.40 = 14,048.89 : x
  2. Step 2: Convert to fraction form
    18,455.74/27,623.40 = 14,048.89/x
  3. Step 3: Cross multiply
    18,455.74x = 27,623.40 × 14,048.89
  4. Step 4: Simplify right side
    18,455.74x = 388,078,108.03
  5. Step 5: Solve for x
    x = 388,078,108.03/18,455.74
  6. Step 6: Final answer
    x = 21,027.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.