Home / 19,648.45-29,446.39-9,637.89

Finding the Fourth Proportional to 19,648.45, 29,446.39 and 9,637.89

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Solution

The fourth proportional to 19,648.45, 29,446.39 and 9,637.89 is: 14,443.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.45 : 29,446.39 = 9,637.89 : x
  2. Step 2: Convert to fraction form
    19,648.45/29,446.39 = 9,637.89/x
  3. Step 3: Cross multiply
    19,648.45x = 29,446.39 × 9,637.89
  4. Step 4: Simplify right side
    19,648.45x = 283,801,043.62
  5. Step 5: Solve for x
    x = 283,801,043.62/19,648.45
  6. Step 6: Final answer
    x = 14,443.94

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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.