Home / 30,193.52-45,297.39-9,133.74

Finding the Fourth Proportional to 30,193.52, 45,297.39 and 9,133.74

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Solution

The fourth proportional to 30,193.52, 45,297.39 and 9,133.74 is: 13,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.52 : 45,297.39 = 9,133.74 : x
  2. Step 2: Convert to fraction form
    30,193.52/45,297.39 = 9,133.74/x
  3. Step 3: Cross multiply
    30,193.52x = 45,297.39 × 9,133.74
  4. Step 4: Simplify right side
    30,193.52x = 413,734,582.94
  5. Step 5: Solve for x
    x = 413,734,582.94/30,193.52
  6. Step 6: Final answer
    x = 13,702.76

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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.