Home / 14,658.90-20,235.33-10,472.82

Finding the Fourth Proportional to 14,658.90, 20,235.33 and 10,472.82

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Solution

The fourth proportional to 14,658.90, 20,235.33 and 10,472.82 is: 14,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.90 : 20,235.33 = 10,472.82 : x
  2. Step 2: Convert to fraction form
    14,658.90/20,235.33 = 10,472.82/x
  3. Step 3: Cross multiply
    14,658.90x = 20,235.33 × 10,472.82
  4. Step 4: Simplify right side
    14,658.90x = 211,920,968.73
  5. Step 5: Solve for x
    x = 211,920,968.73/14,658.90
  6. Step 6: Final answer
    x = 14,456.81

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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.