Home / 14,623.99-20,181.04-7,909.62

Finding the Fourth Proportional to 14,623.99, 20,181.04 and 7,909.62

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Solution

The fourth proportional to 14,623.99, 20,181.04 and 7,909.62 is: 10,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.99 : 20,181.04 = 7,909.62 : x
  2. Step 2: Convert to fraction form
    14,623.99/20,181.04 = 7,909.62/x
  3. Step 3: Cross multiply
    14,623.99x = 20,181.04 × 7,909.62
  4. Step 4: Simplify right side
    14,623.99x = 159,624,357.60
  5. Step 5: Solve for x
    x = 159,624,357.60/14,623.99
  6. Step 6: Final answer
    x = 10,915.24

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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.