Home / 14,590.20-21,880.98-7,660.92

Finding the Fourth Proportional to 14,590.20, 21,880.98 and 7,660.92

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Solution

The fourth proportional to 14,590.20, 21,880.98 and 7,660.92 is: 11,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.20 : 21,880.98 = 7,660.92 : x
  2. Step 2: Convert to fraction form
    14,590.20/21,880.98 = 7,660.92/x
  3. Step 3: Cross multiply
    14,590.20x = 21,880.98 × 7,660.92
  4. Step 4: Simplify right side
    14,590.20x = 167,628,437.30
  5. Step 5: Solve for x
    x = 167,628,437.30/14,590.20
  6. Step 6: Final answer
    x = 11,489.11

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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.