Home / 14,176.40-21,269.38-6,277.84

Finding the Fourth Proportional to 14,176.40, 21,269.38 and 6,277.84

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Solution

The fourth proportional to 14,176.40, 21,269.38 and 6,277.84 is: 9,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.40 : 21,269.38 = 6,277.84 : x
  2. Step 2: Convert to fraction form
    14,176.40/21,269.38 = 6,277.84/x
  3. Step 3: Cross multiply
    14,176.40x = 21,269.38 × 6,277.84
  4. Step 4: Simplify right side
    14,176.40x = 133,525,695.67
  5. Step 5: Solve for x
    x = 133,525,695.67/14,176.40
  6. Step 6: Final answer
    x = 9,418.87

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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.