Home / 14,721.12-22,085.20-7,794.08

Finding the Fourth Proportional to 14,721.12, 22,085.20 and 7,794.08

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Solution

The fourth proportional to 14,721.12, 22,085.20 and 7,794.08 is: 11,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.12 : 22,085.20 = 7,794.08 : x
  2. Step 2: Convert to fraction form
    14,721.12/22,085.20 = 7,794.08/x
  3. Step 3: Cross multiply
    14,721.12x = 22,085.20 × 7,794.08
  4. Step 4: Simplify right side
    14,721.12x = 172,133,815.62
  5. Step 5: Solve for x
    x = 172,133,815.62/14,721.12
  6. Step 6: Final answer
    x = 11,692.98

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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.