Home / 14,169.99-19,554.60-7,882.36

Finding the Fourth Proportional to 14,169.99, 19,554.60 and 7,882.36

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Solution

The fourth proportional to 14,169.99, 19,554.60 and 7,882.36 is: 10,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.99 : 19,554.60 = 7,882.36 : x
  2. Step 2: Convert to fraction form
    14,169.99/19,554.60 = 7,882.36/x
  3. Step 3: Cross multiply
    14,169.99x = 19,554.60 × 7,882.36
  4. Step 4: Simplify right side
    14,169.99x = 154,136,396.86
  5. Step 5: Solve for x
    x = 154,136,396.86/14,169.99
  6. Step 6: Final answer
    x = 10,877.66

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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.