Home / 34,628.18-47,786.72-18,712.58

Finding the Fourth Proportional to 34,628.18, 47,786.72 and 18,712.58

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Solution

The fourth proportional to 34,628.18, 47,786.72 and 18,712.58 is: 25,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,628.18 : 47,786.72 = 18,712.58 : x
  2. Step 2: Convert to fraction form
    34,628.18/47,786.72 = 18,712.58/x
  3. Step 3: Cross multiply
    34,628.18x = 47,786.72 × 18,712.58
  4. Step 4: Simplify right side
    34,628.18x = 894,212,488.44
  5. Step 5: Solve for x
    x = 894,212,488.44/34,628.18
  6. Step 6: Final answer
    x = 25,823.26

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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.