Home / 19,921.90-27,500.73-14,183.06

Finding the Fourth Proportional to 19,921.90, 27,500.73 and 14,183.06

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Solution

The fourth proportional to 19,921.90, 27,500.73 and 14,183.06 is: 19,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.90 : 27,500.73 = 14,183.06 : x
  2. Step 2: Convert to fraction form
    19,921.90/27,500.73 = 14,183.06/x
  3. Step 3: Cross multiply
    19,921.90x = 27,500.73 × 14,183.06
  4. Step 4: Simplify right side
    19,921.90x = 390,044,503.63
  5. Step 5: Solve for x
    x = 390,044,503.63/19,921.90
  6. Step 6: Final answer
    x = 19,578.68

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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.