Home / 34,514.21-47,629.07-19,406.88

Finding the Fourth Proportional to 34,514.21, 47,629.07 and 19,406.88

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Solution

The fourth proportional to 34,514.21, 47,629.07 and 19,406.88 is: 26,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,514.21 : 47,629.07 = 19,406.88 : x
  2. Step 2: Convert to fraction form
    34,514.21/47,629.07 = 19,406.88/x
  3. Step 3: Cross multiply
    34,514.21x = 47,629.07 × 19,406.88
  4. Step 4: Simplify right side
    34,514.21x = 924,331,646.00
  5. Step 5: Solve for x
    x = 924,331,646.00/34,514.21
  6. Step 6: Final answer
    x = 26,781.19

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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.