Home / 14,127.62-19,477.06-11,729.00

Finding the Fourth Proportional to 14,127.62, 19,477.06 and 11,729.00

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Solution

The fourth proportional to 14,127.62, 19,477.06 and 11,729.00 is: 16,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.62 : 19,477.06 = 11,729.00 : x
  2. Step 2: Convert to fraction form
    14,127.62/19,477.06 = 11,729.00/x
  3. Step 3: Cross multiply
    14,127.62x = 19,477.06 × 11,729.00
  4. Step 4: Simplify right side
    14,127.62x = 228,446,456.11
  5. Step 5: Solve for x
    x = 228,446,456.11/14,127.62
  6. Step 6: Final answer
    x = 16,170.21

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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.