Home / 19,714.86-29,556.30-13,459.11

Finding the Fourth Proportional to 19,714.86, 29,556.30 and 13,459.11

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Solution

The fourth proportional to 19,714.86, 29,556.30 and 13,459.11 is: 20,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.86 : 29,556.30 = 13,459.11 : x
  2. Step 2: Convert to fraction form
    19,714.86/29,556.30 = 13,459.11/x
  3. Step 3: Cross multiply
    19,714.86x = 29,556.30 × 13,459.11
  4. Step 4: Simplify right side
    19,714.86x = 397,801,492.89
  5. Step 5: Solve for x
    x = 397,801,492.89/19,714.86
  6. Step 6: Final answer
    x = 20,177.75

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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.