Home / 34,145.64-51,218.40-13,354.56

Finding the Fourth Proportional to 34,145.64, 51,218.40 and 13,354.56

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Solution

The fourth proportional to 34,145.64, 51,218.40 and 13,354.56 is: 20,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.64 : 51,218.40 = 13,354.56 : x
  2. Step 2: Convert to fraction form
    34,145.64/51,218.40 = 13,354.56/x
  3. Step 3: Cross multiply
    34,145.64x = 51,218.40 × 13,354.56
  4. Step 4: Simplify right side
    34,145.64x = 683,999,195.90
  5. Step 5: Solve for x
    x = 683,999,195.90/34,145.64
  6. Step 6: Final answer
    x = 20,031.82

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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.