Home / 14,780.99-22,170.87-6,880.79

Finding the Fourth Proportional to 14,780.99, 22,170.87 and 6,880.79

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Solution

The fourth proportional to 14,780.99, 22,170.87 and 6,880.79 is: 10,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.99 : 22,170.87 = 6,880.79 : x
  2. Step 2: Convert to fraction form
    14,780.99/22,170.87 = 6,880.79/x
  3. Step 3: Cross multiply
    14,780.99x = 22,170.87 × 6,880.79
  4. Step 4: Simplify right side
    14,780.99x = 152,553,156.01
  5. Step 5: Solve for x
    x = 152,553,156.01/14,780.99
  6. Step 6: Final answer
    x = 10,320.90

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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.