Home / 19,863.96-29,911.38-14,354.88

Finding the Fourth Proportional to 19,863.96, 29,911.38 and 14,354.88

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Solution

The fourth proportional to 19,863.96, 29,911.38 and 14,354.88 is: 21,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.96 : 29,911.38 = 14,354.88 : x
  2. Step 2: Convert to fraction form
    19,863.96/29,911.38 = 14,354.88/x
  3. Step 3: Cross multiply
    19,863.96x = 29,911.38 × 14,354.88
  4. Step 4: Simplify right side
    19,863.96x = 429,374,270.53
  5. Step 5: Solve for x
    x = 429,374,270.53/19,863.96
  6. Step 6: Final answer
    x = 21,615.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.