Home / 14,658.84-20,228.94-8,370.36

Finding the Fourth Proportional to 14,658.84, 20,228.94 and 8,370.36

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Solution

The fourth proportional to 14,658.84, 20,228.94 and 8,370.36 is: 11,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.84 : 20,228.94 = 8,370.36 : x
  2. Step 2: Convert to fraction form
    14,658.84/20,228.94 = 8,370.36/x
  3. Step 3: Cross multiply
    14,658.84x = 20,228.94 × 8,370.36
  4. Step 4: Simplify right side
    14,658.84x = 169,323,510.22
  5. Step 5: Solve for x
    x = 169,323,510.22/14,658.84
  6. Step 6: Final answer
    x = 11,550.95

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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.