Home / 34,153.32-51,228.12-13,103.46

Finding the Fourth Proportional to 34,153.32, 51,228.12 and 13,103.46

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Solution

The fourth proportional to 34,153.32, 51,228.12 and 13,103.46 is: 19,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,153.32 : 51,228.12 = 13,103.46 : x
  2. Step 2: Convert to fraction form
    34,153.32/51,228.12 = 13,103.46/x
  3. Step 3: Cross multiply
    34,153.32x = 51,228.12 × 13,103.46
  4. Step 4: Simplify right side
    34,153.32x = 671,265,621.30
  5. Step 5: Solve for x
    x = 671,265,621.30/34,153.32
  6. Step 6: Final answer
    x = 19,654.48

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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.