Home / 14,160.99-19,541.55-8,499.09

Finding the Fourth Proportional to 14,160.99, 19,541.55 and 8,499.09

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Solution

The fourth proportional to 14,160.99, 19,541.55 and 8,499.09 is: 11,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.99 : 19,541.55 = 8,499.09 : x
  2. Step 2: Convert to fraction form
    14,160.99/19,541.55 = 8,499.09/x
  3. Step 3: Cross multiply
    14,160.99x = 19,541.55 × 8,499.09
  4. Step 4: Simplify right side
    14,160.99x = 166,085,392.19
  5. Step 5: Solve for x
    x = 166,085,392.19/14,160.99
  6. Step 6: Final answer
    x = 11,728.37

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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.